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White Sox Designate Jared Shuster For Assignment

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The White Sox announced Wednesday that they’ve reinstated lefty Martin Perez from the 60-day injured list. Triple-A lefty Jared Shuster was designated for assignment to clear a spot on the 40-man roster. Reliever Cam Booser was optioned to Triple-A to open a spot on the active roster.

Perez has been out since April 18 due to a flexor strain. He pitched quite well through his first four starts (3.15 ERA in 20 innings) but wasn’t healthy enough to develop into a potential trade deadline chip, as the rebuilding White Sox probably hoped when signing him to a one-year, $5MM contract over the winter.

Perez pitched a combined 6 2/3 innings over a pair of minor league rehab starts and will now at least get the opportunity to eat some innings for the Sox down the stretch — all while looking to showcase his health for interested clubs in the offseason. Perez’s deal contains a mutual option, but it’s been more than a decade since both ends of a mutual option was exercised by team and player alike. He’s all but certain to become a free agent again in November.

Shuster, 27, was a first-round pick of the Braves back in 2020 (No. 25 overall). He came to the South Side by way of the 2023 Aaron Bummer swap — a deal that netted the Sox five players but was more of a volume play wherein Chicago picked up several former top prospects in hopes of turning a couple of them around. It hasn’t panned out. Braden Shewmake, Michael Soroka and Nicky Lopez have all since been cut loose. With Shuster now designated for assignment and perhaps on his way out the door, 25-year-old righty Riley Gowens is the most promising remnant of that return. He’s posted a 4.05 ERA through 100 innings in his second go-around at the Double-A level and is not ranked among the system’s 30 best prospects.

In his two seasons with the ChiSox, Shuster has made 51 appearances — all but six of them out of the bullpen — and pitched a combined 89 innings with a 4.96 earned run average. He’s fanned only 16.9% of his opponents and turned in a 9.4% walk rate. Both, particularly the strikeout rate, are worse than league average.

Shuster has been up and down this season. Between his frequent shuttling from Chicago to Charlotte (where the Sox’ Triple-A club plays) and a 15-day IL stint due to blisters on his pitching hand, he’s pitched just 22 1/3 innings in Triple-A and 15 1/3 frames in the majors. His minor league work this year has also been lackluster, evidenced by a 6.04 ERA. Shuster’s 19.8% strikeout rate and 6.6% walk rate in Charlotte are at least moderately more encouraging than his MLB rate stats, but he’s also averaged two homers per nine innings pitched in Triple-A this year.

Shuster will be out of minor league options next year, so he was always a long shot to stick on the roster into next year’s camp. With the trade deadline behind us, he’ll be placed on waivers within the next five days. Shuster hasn’t been outrighted in the past and doesn’t have three years of MLB service, so if he goes unclaimed he’ll stick with the White Sox via an outright assignment to Charlotte.

White Sox Notes: Cannon, Alexander, Perez, Robert

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The White Sox optioned starter Jonathan Cannon to Triple-A Charlotte this afternoon. They recalled Wikelman González and will work with a nine-man bullpen for the time being.

Aside from a three-week injured list stint in June, Cannon has held a spot in Chicago’s rotation all season. The former third-round pick has struggled to a 5.34 ERA with below-average peripherals in 19 appearances. Cannon’s 17.7% strikeout rate and 1.69 home runs per nine innings are both concerning. He has hit a particularly rough stretch of late, giving up 18 earned runs on six longballs over his past three starts.

Cannon, a second-year player, entered the season as one of the more experienced pitchers in a very young rotation. He made 23 appearances as a rookie. Cannon turned in a 4.49 ERA with a 17.4% strikeout rate during his debut campaign. If he spends at least 20 days in the minors, this will be his second of three option years.

Scott Merkin of MLB.com writes that Tyler Alexander will take the bulk work when Cannon’s turn through the rotation comes up next week against the Tigers. Alexander has worked in multi-inning relief since signing with Chicago in early June. He has turned in a 2.89 ERA across 37 1/3 innings. Alexander has gotten up to 3-4 innings out of the bullpen. He’ll slot behind Shane Smith, Aaron Civale, Sean Burke and Davis Martin in Will Venable’s rotation.

It might not be long before Martín Pérez rejoins the group. The veteran southpaw tossed four innings and 58 pitches in a rehab start with Double-A Birmingham this evening. That was his second rehab start as he works back from elbow inflammation that sidelined him in April. Pérez had made four starts before the injury, posting a 3.15 ERA while striking out 22% of batters faced. A return in the next couple weeks would allow him to make five or six more appearances before he heads back to free agency.

Meanwhile, GM Chris Getz spoke with reporters on Friday about the team’s decision not to trade Luis Robert Jr. (link via Vinnie Duber of The Chicago Sun-Times). The general manager talked about a desire to build around up-the-middle talent, also highlighting catchers Edgar Quero and Kyle Teel and a potential middle infield pairing of Colson Montgomery and Chase Meidroth.

Getz included Robert in that group. “We are excited about having Luis Robert in the White Sox organization. … When he’s playing well, the team is seemingly playing well and we are getting wins,” he said. “He’s a guy we like having in this organization, and we are planning on having him as part of the future.” None of that comes as a surprise after they elected to hold him beyond the deadline. Robert had started the season terribly, at least against right-handed pitching, but has mashed at a .365/.435/.554 clip since the beginning of July.

While that wasn’t enough to convince other teams that he’d found his star form, it has seemingly pushed the Sox into planning to exercise their $20MM club option. That could change if Robert slumps in the final six weeks, but not trading him wouldn’t make sense if the Sox don’t think there’s a good chance he’ll play well enough to be worth the option price. They could shop him again in the offseason or carry him into next season with the continued hope that he’ll play well enough to rebuild his trade value. His contract contains an additional $20MM team option for 2027.

Looking Ahead To Club Options: AL Central

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MLBTR continues our division by division look at next year’s team/mutual option class with the AL Central. Virtually all of the mutual options will be bought out by one side. Generally, if the team is willing to retain the player at the option price, the player will decline his end in search of a better free agent deal.

Previous installments: player options/opt-outs, NL West, AL West, NL Central

Chicago White Sox

Pérez signed a $5MM free agent deal to serve as the veteran presence in a very young White Sox rotation. Chicago hoped he’d pitch well enough in the first half to net a lottery ticket prospect at the deadline. Pérez was reasonably effective through his first three starts, but he came out of his fourth outing with forearm discomfort. A flexor strain diagnosis immediately sent him to the 60-day injured list. He’s expected to avoid surgery but will miss almost the entire season. A deadline trade is off the table, and he’ll be bought out at season’s end.

As recently as a few months ago, Robert’s $20MM club option looked like excellent value, as did the matching option for 2026. He was a down-ballot MVP performer in 2023, when he hit .264/.315/.542 with 38 homers while playing plus center field defense. The ’24 campaign was a struggle. Robert missed nearly two months early in the season with a hip flexor strain and was unproductive when healthy. He hit .224/.278/.379 with 14 homers in 100 games. Chicago held him into this year rather than sell low in an offseason trade.

That put a lot of pressure on Robert to hit early in the year. An excellent few months could make him one of the top position players available at the deadline. A terrible start might tank what remained of his trade value. The early returns are disastrous: .138/.255/.238 with 30 strikeouts in 96 plate appearances. There’s still time for a turnaround, but Robert may be following in the footsteps of Tim Anderson and Eloy Jiménez — players whose once team-friendly extensions soured to the point that they were traded for meager returns and/or bought out.

Cleveland Guardians

Means underwent UCL surgery last June. That was his second such procedure within the past three years. He’d undergone Tommy John surgery in 2022 and had only just returned before his elbow gave out again. The Guardians took a $1MM flier in free agency. The deal includes a $6MM team option for next season. Means is hoping to return to the mound in August or September. His late-season form will determine whether Cleveland wants to keep him around next year.

If the Guardians exercise the option, Means could unlock up to $2.5MM in performance bonuses. He’d earn $75K apiece at 20, 30, 40 and 50 innings pitched next year. That climbs to $100K each for 60, 70, 80 and 90 frames; $125K at 100, 110, 120 and 130 innings; and $150K apiece for 140 and 150 frames.

Sewald had a pair of above-average seasons as Seattle’s closer between 2022-23. His production started to trend down after a ’23 deadline deal that sent him to Arizona. Sewald remained generally productive through the Snakes’ surprising World Series run that year. Last season was his worst since his 2021 breakout. He allowed a 4.31 ERA with declining velocity through 39 2/3 innings. The Guardians surprisingly guaranteed him $7MM to deepen an already excellent bullpen. The veteran righty has punched out 13 hitters through 10 1/3 frames, but he has already surrendered three homers while averaging just 90.2 MPH on his fastball.

Detroit Tigers

Detroit added Brebbia on a $2.75MM contract early in Spring Training. It was a roll of the dice on the veteran righty’s intriguing swing-and-miss rates. Brebbia had allowed nearly six earned runs per nine innings last season (mostly with the White Sox), but he punched out nearly 28% of opposing hitters. Things have reversed early in his Detroit tenure. Brebbia has only allowed two runs (one earned) over his first nine innings. His 8.8% swinging strike rate is well below average, though, and he’s given out eight free passes — five walks and three hit batters.

Brebbia is working in low-leverage situations that suggest he’s towards the bottom of the bullpen depth chart. He’ll need to turn around his underlying numbers to pitch his way into more meaningful spots and, eventually, to convince the front office to exercise the option.

Brebbia could push the option price by another $4MM based on his performance this year. It’d climb by $500K at 65 appearances, $1MM apiece at 45 and 50 games finished, and by $2MM for 55 games finished. The maximum escalator value is capped at $4MM, so the appearance threshold would essentially be nullified if Brebbia finishes 55 games and pushes the option value to $8MM based on that criteria alone. He has finished six of eight appearances so far.

Urquidy’s situation is similar to that of Means. The former Astros righty required Tommy John surgery last June. Houston waived him at the end of the season. He reunited with A.J. Hinch in Detroit on a $1MM contract. Urquidy won’t be an option until the final few weeks of the season in a best case scenario. Detroit can gauge his progress to determine whether they want to retain him at a $4MM base value. Urquidy could tack on another $3MM if the Tigers exercise the option: $150K each at four and seven starts next year; $300K apiece for 10, 13, 16 and 19 starts; and $500K each at 22, 25 and 28 starts.

Kansas City Royals

  • Michael Lorenzen, RHP ($12MM mutual option, $1.5M buyout if team declines its end)

Kansas City brought Lorenzen back on a $7MM free agent deal. He’s playing on a $5.5MM salary and would collect a $1.5MM buyout on a $12MM mutual option assuming the Royals decline their end. He grabbed a season-opening rotation spot with both Alec Marsh and Kyle Wright on the shelf. Lorenzen has had a customary start to the season. He carried a 4.57 ERA with a below-average 17.7% strikeout rate into this evening’s appearance against the Rockies. He’s through five scoreless innings against Colorado at the time of this writing.

Perez is making $22MM in the final season of the four-year extension that he signed in March 2021. At the time, it was the largest contract in organizational history. (Bobby Witt Jr. has since shattered that record.) Perez is a franchise stalwart, of course, but it was still surprising to see the Royals guarantee him $82MM for his age 32-35 seasons — especially given the heavy workloads he’d taken throughout his career.

The nine-time All-Star has rewarded the team’s faith. He led the majors with 48 homers and 121 RBI in 2021, though he was already under contract for that season anyhow. He combined for a .261/.307/.447 slash over the first three seasons of the extension. Perez eclipsed 20 home runs in each, and he won the AL Silver Slugger Award behind the dish with a .271/.330/.456 showing during last year’s playoff season.

Perez has started this season more slowly. He entered today’s doubleheader with a .185/.235/.293 line, though he has picked up four doubles over two games against Colorado pitching. If this continues all season, the Royals could face a tough decision, but the safer bet right now is that Kansas City will exercise the option. It’s tough to imagine Perez playing anywhere else.

Minnesota Twins

Minnesota added Bader on a $6.25MM contract amidst a quiet offseason. They’ve preferred to have a capable right-handed hitting fourth outfielder who can reduce Byron Buxton’s workload in center field while complementing their lefty-hitting corner bats. Bader has started 18 of the team’s first 25 games. He’s hitting .230/.319/.393 with a trio of home runs through 69 plate appearances. It’s an early improvement over last year’s .236/.284/.373 showing, but it’s unlikely the Twins would exercise their end of a $10MM option.

The bigger factor might be Bader’s semi-regular playing time. He could push the buyout price as high as $3MM based on this season’s plate appearance total. It has a $1.5MM base value and would climb by $200K at 400, 425 and 450 plate appearances, then by $450K at 475 and 500.

Note: Justin Topa’s arbitration contract contains a $2MM club option or a $225K buyout for next season. He’d remain eligible for arbitration if the team declines the option, as he will not have reached six years of service time.

Martín Pérez To Miss Majority Of 2025 Season

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5:25pm: Perez has been diagnosed with a flexor strain, per Scott Merkin of MLB.com.

3:15pm: White Sox left-hander Martín Pérez is on the injured list with inflammation in his throwing elbow and it doesn’t appear he will be coming back soon. Jesse Rogers of ESPN reports that the southpaw won’t require Tommy John surgery but his season is effectively done regardless, though he could be throwing again in September.

The lefty departed Friday’s game after just three innings and the Sox placed him on the 15-day IL the next day. The club didn’t provide any updates about how long they expected him to be out of action, but they quickly moved him to the 60-day IL yesterday when they added Bobby Dalbec to the roster. That at least indicated they didn’t expect him back within a couple of months, but it now seems he’ll be out longer than that and may not return this year at all.

That’s obviously unfortunate for both Pérez and the Sox. The two sides agreed to a one-year, $5MM pact in the offseason. With the Sox having lost 121 games last year, the plan was presumably to have Pérez act as a stabilizing veteran presence in the rotation for at least a few months. If he pitched well into July, he would have been traded to a contender for prospects, giving him a chance to potentially play meaningful games while the Sox would add young talent to help in their rebuild.

That’s all off the table now. Pérez made just four starts before landing on the shelf and it’s possible he won’t get a chance to add to that. Even if he does make it back in September, that would only give him a chance to make a start or two. In that scenario, the Sox might prefer to give the ball to young pitchers they are hoping to evaluate before the winter sets in.

For now, the rotation on the South Side consists of Sean Burke, Jonathan Cannon, Davis Martin and Shane Smith. A fifth starter will be needed at some point to replace Pérez. Jairo Iriarte, Nick Nastrini and Owen White are each on the 40-man and pitching in Triple-A so far this year. Justin Dunn is a non-roster depth arm with big league experience, also in Triple-A at the moment. Some pitchers recently designated for assignment by other clubs include Triston McKenzie and Yoendrys Gómez and Michael Fulmer.

Photo courtesy of Eric Canha, Imagn Images

White Sox Transfer Martin Perez To 60-Day IL, Select Bobby Dalbec

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The White Sox selected the contract of infielder Bobby Dalbec from Triple-A Charlotte, per a team announcement. Fellow infielder Chase Meidroth heads to the 10-day injured list due to inflammation in his right thumb, while veteran lefty Martin Perez is moving from the 15-day IL to the 60-day IL. Perez exited his most recent start due to forearm soreness and was placed on the 15-day injured list over the weekend due to inflammation in his left elbow.

The Sox haven’t provided further word on Perez’s injury, but the move to the 60-day IL was not expected based on the information that’s been made publicly available. A move to the 60-day IL takes him out until at least late June. That’s a tough blow for the ChiSox, both because Perez has had a nice start to the season and because it clouds his potential outlook as a trade candidate prior to July’s deadline.

Perez, 34, signed a one-year deal worth $5MM over the winter. Through his first three starts with the South Siders, he posted a 1.59 ERA with a 26.9% strikeout rate and 13.4% walk rate in 17 frames. History tells us that Perez is highly unlikely to keep inducing strikeouts at that level but also that his walk rate should be expected to drop substantially; over the past four seasons, Perez fanned just 18.4% of his opponents but also limited his walk rate to a solid 8% mark.

However, Perez was roughed up for four runs in three innings against the Red Sox his last time out. He yielded five hits, including a homer, walked two batters and didn’t record a strikeout. There was no major velocity drop, but Statcast did measure Perez’s cutter at a season-low 84.9 mph on average, down from his 85.5 mph average in his first start. His sinker had a similar dip. That’s not stark enough to prompt major concern, but it’s of some mild note in the wake of his 60-day placement. Presumably, White Sox skipper Will Venable will have more information on Perez’s status prior to today’s series finale at Fenway Park.

Fenway was long the home park for Dalbec, 29. The former Red Sox fourth-rounder (2016) ranked among the team’s best prospects for much of his minor league tenure and posted a solid .243/.308/.511 batting line with 33 home runs through his first 545 major league plate appearances from 2020-21. It’s been a sharp decline ever since. Dating back to the 2022 season, Dalbec has appeared in 175 big league games and tallied 499 plate appearances, but he has just a .198/.269/.330 slash to show for it. He’s fanned in 38% of his plate appearances along the way and nearly 37% of his overall plate appearances in the majors.

Through his first 12 games in Triple-A this season, Dalbec has been on a tear. He’s hitting .326/.354/.696 with four homers, three doubles, a triple and a stolen base in only 48 trips to the plate. He’s still punched out in exactly one-third of those turns at the dish, but he’s stinging the ball when he makes contact.

It seems likely to be a short-term stint on the 40-man roster for Dalbec. He’s out of minor league options, so he can’t be sent back down without first being designated for assignment and passed through waivers.

Meidroth tells MLB.com’s Scott Merkin that x-rays on his thumb were negative. He first felt the issue in Charlotte, prior to his original promotion to the majors. He rested a few days and returned to the Triple-A lineup pain-free. It’s resurfaced recently, and after trying to play through it for the past week or so, he’ll now sit down for a longer spell to try to get the issue cleared up once and for all.

Acquired from the Red Sox in the Garrett Crochet trade, the 23-year-old Meidroth was Boston’s 2022 fourth-round pick. He opened the year with a .267/.450/.600 slash through 40 Triple-A plate appearances before being summoned for his MLB debut, and he’s batted .269/.387/.269 in his first 31 trips to the plate as a big leaguer.

White Sox Place Martin Perez On 15-Day IL

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TODAY: The White Sox placed Perez on the 15-day injured list due to what was described as inflammation in his throwing elbow.  Jared Shuster was called up from Triple-A to take Perez’s spot on the active roster.

APRIL 18: Martín Pérez departed tonight’s loss in Boston after three innings. The White Sox announced that the lefty experienced forearm soreness that prompted his departure. Pérez said postgame that he’ll go for imaging on Saturday (link via LaMond Pope of The Chicago Tribune).

“I feel sore. I was just trying to be smart and tell them to get me out of the game and see what I got. We have to wait for the MRI tomorrow,” he told reporters. “In the third inning, I started feeling kind of fatigued a little bit. But I feel bad because I don’t want to be in this situation. I want to keep pitching and competing but it is what it is. Wait and see what it’s going to be and the decision and move on.”

Pérez signed a one-year, $5MM free agent deal to serve as a veteran presence in an otherwise young rotation. Tonight’s start was his worst of the season, as he gave up four runs on five hits and a couple walks without recording a strikeout. Pérez had managed quality starts in two of his first three outings. He carries a 3.15 ERA across 20 innings. His 21.7% strikeout percentage is around league average, but he has walked more than 13% of batters faced.

Davis Martin, Jonathan Cannon and rookies Sean Burke and Shane Smith have joined Pérez in the season-opening rotation. That quintet has made all 19 starts. Pérez and Smith, a Rule 5 pick out of the Milwaukee system, are the only two who have managed decent results. Owen White, Nick Nastrini, Jairo Iriarte, Justin Dunn and Chris Rodriguez make up the rotation at Triple-A Charlotte.

All five have some major league experience. White, Nastrini and Iriarte are on the 40-man roster (as is lefty Jared Shuster, who has moved to multi-inning relief in the minors). Dunn easily leads the Charlotte rotation with 27 strikeouts, but he has also given up a team-high four home runs and has allowed nearly five earned runs per nine. Someone from that group would probably get the call to step into the rotation if Pérez requires an injured list stint. The Sox could also consider building Rule 5 pick Mike Vasil, who is working 2-3 inning stints in mop-up relief, for rotation work.

Mike Clevinger also seems set to join the Charlotte rotation. The Sox outrighted the veteran righty off their 40-man roster this afternoon. Clevinger has the service time to decline the assignment in favor of free agency. Bruce Levine of 670 The Score reports that the Sox intend for Clevinger to build back up as a starter in Triple-A, so it appears he’ll accept the outright and remain in the system. The 34-year-old moved to the bullpen to begin this year. He gave up five runs with eight walks and three strikeouts in 5 2/3 innings before being designated for assignment.

Sean Burke To Open Season In White Sox’s Rotation

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White Sox manager Will Venable informed the beat this afternoon that rookie righty Sean Burke will be in the season-opening rotation (relayed by Scott Merkin of MLB.com). The former third-round pick joins Martín Pérez, Davis Martin and Jonathan Cannon as locks for the Opening Day starting staff.

Chicago optioned lefty Jared Shuster, who had entered camp as a candidate for a rotation spot. The former first-round pick worked mostly in long relief last season but was building back up as a starter this spring. Venable suggested Shuster may move back to the bullpen in Triple-A (link via Daryl Van Schouwen of The Chicago Sun-Times). The Wake Forest product allowed nine runs in seven innings.

Pérez, who signed a $5MM free agent deal, has by far the most experience of anyone in Chicago’s rotation. Cannon, who worked to a 4.49 ERA over 124 1/3 frames, is the only returning pitcher who reached even 75 MLB innings last season. Martin returned from Tommy John surgery in the second half. He allowed 4.32 earned runs per nine over 50 innings down the stretch.

That trio entered camp with rotation spots solidified. It was more in question whether Burke would break camp. The Sox called him up midway through September. He impressed over four appearances, working to a 1.42 ERA with 22 strikeouts in 19 innings. The Maryland product has tossed five innings of three-run ball with three strikeouts and walks apiece this spring. Burke fanned 31% of batters faced over 16 Triple-A starts last season. He also walked 13% of opponents, raising questions about whether he’ll have the necessary command to stick as a starter, but the Sox will see how his stuff plays against MLB hitters.

Venable hasn’t committed to a fifth starter. With Shuster out of consideration, that job will probably fall to one of Bryse Wilson or Shane Smith. Wilson is out of options and has plenty of experience working in long relief. He turned in a 4.04 ERA over 103 2/3 frames for Milwaukee last season; Chicago signed him to a $1.05MM deal after the Brewers non-tendered him. Smith is a Rule 5 pick out of the Milwaukee system. The 6’4″ righty started 16 of 27 Double-A appearances. He allowed 3.08 earned runs per nine with a near-30% strikeout rate over 87 2/3 innings.

Smith has had a decent start to camp. He has fanned nine hitters over 6 2/3 frames, allowing four runs. Chicago shouldn’t have an issue keeping him on the MLB roster to gain his long-term contractual rights. Most Rule 5 pitchers work in low-leverage relief, at least to begin the season. An Opening Day rotation assignment would be rare, but that’s a reflection of the Sox’s lack of starting pitching depth. Non-roster invitee Justin Dunn could also be an option. He has managed eight innings of one-run ball this spring, but he only has two strikeouts against four walks.

White Sox Designate Ron Marinaccio For Assignment

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The White Sox announced that right-hander Ron Marinaccio has been designated for assignment. That’s the corresponding move for left-hander Martín Pérez, whose one-year deal has now been officially announced.

Marinaccio, 29, hasn’t appeared in a big league game for the Sox. He was claimed off waivers from the Yankees with about a week remaining in the 2024 season, but was kept on optional assignment. He has held onto his roster spot for the past four months but has now been nudged off.

The righty was generally a high-strikeout and low-control guy for the Yanks. He tossed 91 1/3 innings over the 2022 and 2023 seasons, allowing 3.05 earned runs per nine. He struck out 29% of batters faced but also gave out walks at a 13.2% clip. In 2024, he got his walk rate down to 10.1% but his strikeout rate also fell to 25.3% as he posted a 3.86 ERA.

Overall, Marinaccio has a 3.22 ERA in 114 2/3 innings, with a 28.2% strikeout rate and 12.6% walk rate. It’s generally been fairly similar in the minors. Over the past four years, Marinaccio has thrown 132 innings on the farm with a 2.86 ERA, 33.5% strikeout rate and 11.5% walk rate.

The control is clearly an issue but Marinaccio is likely to draw interest based on the strikeouts. He also still has an option remaining and barely two years of service time, meaning he still hasn’t qualified for arbitration and can be sent to the minors fairly freely for another year. The Sox will have a week of DFA limbo to figure out what’s next for the righty, though the waiver process takes 48 hours, meaning any trade talks would need to come together in the next five days.

White Sox Sign Martín Pérez

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January 21: The deal has now been officially announced by the White Sox.

January 8: The White Sox and left-hander Martín Pérez are in agreement on a deal, reports Robert Murray of FanSided. It’s a one-year, $5MM deal, per José F. Rivera of ESPN. That comes in the form of a $3.5MM salary and a $1.5MM buyout on a $10MM mutual option for 2026, per Jon Heyman of The New York Post. The deal is pending a physical for the Octagon client. The Sox have a full 40-man roster and will need to make a corresponding move once this deal becomes official. Their Josh Rojas deal is also still not official, so the club now needs to open two spots.

Pérez, 34 in April, is a soft-tossing veteran innings eater. He split last year between the Pirates and Padres, making 26 starts and logging 135 frames. He allowed 4.53 earned runs per nine innings, striking out 18.1% of batters faced, issuing walks at an 8.3% clip and getting grounders on 44.4% of balls in play. He averaged 91.3 miles per hour with his four-seam fastball.

Those stats are pretty close to his career numbers. Dating back to his 2012 debut, he has thrown 1,575 2/3 innings with a 4.44 ERA, 16.2% strikeout rate, 8.3% walk rate and 48.7% ground ball rate. His fastball velocity was naturally higher when he was younger, but not by much. His highest four-seam velocity in a season was 94.2 mph, back in 2019.

He did end the 2024 season on a high note. He posted a 5.20 ERA with the Bucs before being traded to the Padres at the deadline, then went on to allow 3.46 earned runs per nine after the deal. His 20.3% strikeout rate after the trade was a few ticks higher than the 16.9% rate he had with Pittsburgh. He changed up his pitch mix a bit, throwing more changeups and curveballs with the Friars, while reducing his usage of cutters and sliders.

That’s somewhat encouraging but Pérez has previously flashed better results without sustaining them. He posted a 2.89 ERA over 32 starts for the Rangers in 2022, which prompted Texas to issue him a $19.65MM qualifying offer for 2023. The southpaw accepted that but then his ERA normalized to 4.45 that year. As mentioned, he held pretty steady in 2024, with a 4.53 ERA.

It’s not the most exciting profile but he’s a sensible fit for the South Side of Chicago. The White Sox had a poor rotation last year and it’s in worse shape now. They traded Erick Fedde to the Cardinals and the deadline and then flipped Garrett Crochet to the Red Sox last month. Chris Flexen reached free agency at season’s end. That means that Jonathan Cannon is the only guy still on the roster who made more than ten starts for the Sox last year.

Pérez has made at least 26 appearances in five straight full seasons. in 2024, he went on the injured list due to a left groin muscle strain but was back in less than a month. That was his most significant IL stint since 2018. While no pitcher is guaranteed to stay healthy, Pérez is perhaps one of the safer bets to take the ball when it’s his turn, even if the results are more passable than outstanding.

Given the uncertainty in the club’s rotation, it’s a logical pick up. The Sox also added Bryse Wilson earlier this offseason, another move designed to bolster a group fairly lacking in experience. The final three spots are up for grabs, with Cannon, Davis Martin, Sean Burke, Drew Thorpe, Nick Nastrini, Jairo Iriarte, Jake Eder, Wikelman Gonzalez, Ky Bush and Juan Carela around to battle for opportunities. Prospects Noah Schultz and Hagen Smith aren’t yet on the roster but could push into the mix during the season.

Apart from Pérez and Wilson, no one in that cluster of rotation options has even one year of major league service time. The Sox can use Pérez as a veteran anchor, at least for a few months. If he’s pitching well, he could be flipped to a contending club at the deadline, just as he was last year. That would then open up second-half starts for whichever young pitcher has earned them.

Division Series Roster Notes: Padres, Dodgers, Phillies, Yankees, Tigers

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We’ve already covered some notable roster additions for the Guardians and Mets as the Division Series begins, and the Royals are sticking with the same 26 players used in the Wild Card Series against the Orioles.  Now that all eight teams in the LDS rounds have revealed their rosters, here are the details…

  • The Padres made two changes from their NLDS roster, adding left-hander Martin Perez and right-hander Alek Jacob and removing Joe Musgrove and infielder Nick Ahmed.  Musgrove was obviously out due to his impending Tommy John surgery, while replacing Ahmed with a pitcher gives San Diego 13 pitchers to go with 13 position players.  Perez is one of five southpaws on San Diego’s roster, as ESPN’s Alden Gonzalez (X link) was among those who noted that the Padres are guarding themselves as best they can against Shohei Ohtani and other powerful left-handed Dodgers bats.
  • The Dodgers will go with an even mix of 13 batters and 13 pitchers, and rookie Edgardo Henriquez has made the list of available arms.  Henriquez only made his MLB debut on September 24 and he has played in just three games as a big leaguer, but Los Angeles will give the hard-throwing righty a look in October to add some velocity to the bullpen.  It’s probably safe to assume that Henriquez wouldn’t have made the cut if the Dodgers weren’t ravaged by pitching injuries, yet the rookie also got the nod over veteran Joe Kelly, who had an inconsistent year but was pitching well after returning from the IL in mid-September.  On the position player side, L.A. didn’t include either Kevin Kiermaier or James Outman, so Andy Pages will be the only true backup outfielder along with utilitymen Enrique Hernandez and Chris Taylor in the bench mix.
  • The Phillies will use 14 position players and 12 pitchers in their NLDS matchup with the Mets, with left-hander Kolby Allard joining the relief corps.  Allard has worked as something of a swingman throughout his career, and this ability of covering multiple innings earned Allard the spot, as manager Rob Thomson told MLB.com’s Paul Casella and other reporters.  “He’s going to probably give us the most length if we get into an extra-inning game….so I just wanted as much length as we could get,” Thomson said.  Utilityman Weston Wilson also got the Phils’ last bench spot, as Casella observes that Wilson brings more positional versatility than outfielder Cal Stevenson.
  • The Yankees went heavier on position players (15) than pitchers (11) for their ALDS roster against the Royals.  Anthony Rizzo is missing the series due to two broken fingers and DJ LeMahieu wasn’t yet activated from the injured list, but New York still has plenty of room on its bench, including pinch-running specialist Duke Ellis.  The Yankees appear to be loading up on bats to take on the Royals’ tough rotation and more porous bullpen, which left right-hander Marcus Stroman off the ALDS roster as the odd man out of the starting staff.
  • The Tigers made just one change from their Wild Card Series roster, as rookie righty Keider Montero has been included in place of Casey Mize.  Montero posted a 4.76 ERA over 98 1/3 innings in his first Major League season, starting 16 of 19 games.  This doesn’t necessarily mean Montero will start against the Guardians in the ALDS, however, as Detroit’s pitching staff (apart from ace Tarik Skubal) is very malleable in terms of specific roles.
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