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Diego Castillo

14 Players Elect Free Agency

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As the offseason nears, a number of players elect minor league free agency each week. These players are separate from six-year MLB free agents, who’ll reach the open market five days after the conclusion of the World Series. Eligible minor leaguers can begin electing free agency as soon as the regular season wraps up. These players were all outrighted off a team’s 40-man roster during the year and have the requisite service time and/or multiple career outrights necessary to reach free agency since they weren’t added back to teams’ rosters.

Electing free agency is the anticipated outcome for these players. There’ll surely be more to test the market in the coming weeks. We’ll offer periodic updates at MLBTR, including a list of 29 players last week. The next group, courtesy of the transaction tracker at MiLB.com:

Catchers

Outfielders

Pitchers

Mariners To Outright Diego Castillo, Promote Bryce Miller

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The Mariners are shuffling up their pitching staff. They’re set to select the contract of top pitching prospect Bryce Miller, as first reported by Joe Doyle of Future Star Series, and they’ve also passed right-hander Diego Castillo through waivers and assigned him outright to Triple-A Tacoma, per Ryan Divish of the Seattle Times (Twitter link).

With that outright, Castillo is no longer on the 40-man roster. He has the three years of service time needed to reject the assignment in favor of free agency, but he doesn’t yet have five years of service, so rejecting the assignment would mean forfeiting the remainder of this year’s $2.95MM salary. As such, he’s sure to accept an assignment to Tacoma and remain with the organization.

It’s been a swift decline for Castillo, who was one of the top relievers moved at the 2021 deadline, going from Tampa Bay to Seattle in exchange for minor league infielder Austin Shenton and righty JT Chargois. Castillo was quite effective in his first season and a half with the Mariners, pitching to a 3.42 ERA with an above-average 25.5% strikeout rate against a slightly below-average 9.4% walk rate. He held opponents to just a .196 average, yielded only 1.06 HR/9 and kept the ball on the ground at a 48.5% clip.

The 2023 season, however, has been a disaster for the 29-year-old Castillo. In 8 2/3 innings so far, he’s walked as many batters as he’s fanned (seven) and also plunked a hitter. He’s already served up homers to two of the 41 batters he’s faced after surrendering only five in 54 1/3 innings (222 batters faced) a year ago. The 94.2 mph average on his fastball, meanwhile, is down 1.6 mph from last year’s mark of 95.8. Overall, he’s sitting on a 6.23 ERA and has allowed 15 of 41 opponents (.366) to reach base.

Any other team could’ve claimed Castillo, but it’s generally rare for other clubs to claim struggling players of this nature when they have a guaranteed contract of some note. The Mariners could’ve waited to make this move but likely saw Castillo’s struggles as a way to open a 40-man roster spot to accommodate their top pitching prospect. If another club had claimed Castillo, the Mariners would’ve been spared the remaining $2.44MM of this year’s salary, but they’ll instead hope he can round back into form with the Rainiers.

Turning to Miller, he’ll make his big league debut when he takes the mound tomorrow against the A’s. He last pitched on April 25, so he’ll be plenty rested. The 24-year-old has had a rough start to his 2023 season in Double-A, pitching to a 6.41 ERA in 19 2/3 frames, but he entered the year among the top 100 prospects at Baseball America, FanGraphs and MLB.com. He currently ranks 92nd, 89th and 85th, respectively on those three lists.

The handful of shaky outings to begin the year, it seems, won’t dissuade the Mariners from hoping he can follow Logan Gilbert and George Kirby to be the next member of the team’s vaunted farm system to step into the Major League rotation. Seattle has already lost Robbie Ray for the season and has seen Chris Flexen struggle in the fifth spot of the rotation, so it stands to reason that Miller could potentially seize a permanent job, if not tomorrow then certainly at some point this season.

Despite his rocky start to the 2023 season, Miller is seen as a potential mid-rotation starter, thanks in no small part to a heater that sits upper-90s and can bump 100 mph. He pairs that with a slider and changeup, and the former college reliever has improved his command as the Mariners have stretched him back out as a starter.

Miller split the bulk of the 2022 season between High-A and Double-A, logging a combined 3.16 ERA with a 30% strikeout rate and an 8.5% walk rate in 133 2/3 innings. He allowed just 0.67 HR/9 and kept the ball on the ground at a slightly above-average rate. And, given that sizable workload in ’22, there’s little reason to think the Mariners will feel the need to monitor his innings total too aggressively this season.

If Miller were to stick in the big leagues, he’d be on pace to qualify for arbitration as a Super Two player following the 2025 season and reach free agency at the conclusion of the 2029 season. Of course, future optional assignments could alter one or both of those timetables considerably.

Each MLB Team’s Players On WBC Rosters

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The World Baseball Classic is returning this year, the first time since 2017. The quadrennial event was supposed to take place in 2021 but was scuttled by the pandemic, now returning after a six-year absence. Rosters for the tournament were announced today and those can be found at this link. Here is a breakdown of which players from each MLB team are set to take participate. Quick caveat that this list is fluid and might be changed as more information becomes available.

Without further ado…

Angels

Astros

Athletics

Blue Jays

Braves

Brewers

Cardinals

Cubs

Diamondbacks

Dodgers

Giants

Guardians

Marlins

Mariners

Mets

Nationals

Orioles

Padres

Phillies

Pirates

Rangers

Rays

Red Sox

Reds

Rockies

Royals

Tigers

Twins

White Sox

Yankees

Mariners Win Arbitration Case Against Diego Castillo

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The Mariners have won their arbitration case with reliever Diego Castillo, reports Mark Feinsand of MLB.com (Twitter link). He’ll be paid at the team’s filing rate of $2.95MM rather than his camp’s requested $3.225MM figure.

Castillo has played a season and a half in the Pacific Northwest. Acquired from the Rays at the 2021 trade deadline, he’s provided the M’s with 76 1/3 innings of 3.42 ERA ball. That includes a 3.64 mark over 54 1/3 frames last season, with the big righty striking out a solid 23.9% of opponents against a slightly elevated 9.9% walk percentage. That’s not quite the level he’d managed during his best seasons in Tampa Bay but has still made him a solid high-leverage option for manager Scott Servais.

He’ll again take on some key innings as part of what should be another strong Seattle relief unit. Andrés Muñoz, Paul Sewald, Penn Murfee and Matt Brash are among the other righties who could log key work. The M’s don’t have an established left-hander in the group — offseason waiver claims Tayler Saucedo and Gabe Speier are the only two lefty relievers on the 40-man roster — but the unit was nevertheless among the league’s top ten in both ERA and strikeout percentage last season.

Castillo has between four and five years of MLB service time. He’ll be eligible for arbitration again next winter before qualifying for free agency over the 2024-25 offseason, at which point he’ll be entering his age-31 season. Seattle still has pending arbitration hearings with Teoscar Hernández and Dylan Moore.

Requested Salary Figures For 33 Players Who Didn’t Reach Agreements By Arbitration-Filing Deadline

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January 13 was the deadline for teams and arbitration-eligible players to exchange salary figures in advance of possible hearings, and as usual, the large majority of players worked out one-year agreements (or extensions) for their 2023 salaries.  MLBTR’s Arbitration Tracker detailed these agreements, though there is still quite a bit of unfinished business, as 33 players still don’t have their deals settled, and thus their 2023 salaries could be determined by an arbiter.

Typically, arb hearings take place in February or March, yet there isn’t anything officially preventing a team from still reaching an agreement with a player up until the moment an arbiter makes their ruling.  However, most clubs employ the “file and trial” strategy as a way of putting more pressure on players to accept agreements prior to the figure-exchange deadline.  In short, once the deadline passes, teams head to hearings with no more negotiation about a one-year salary, though clubs are typically still willing to discuss multi-year extensions.

Here are the 33 players who have yet to reach an agreement on their 2023 salaries, as well as the players’ requested salary and the team’s counter-offer.  As always, clubs (and the league as a whole) pay very close attention to arbitration salaries, since any outlier of a number can serve as a precedent in the future, thus raising the bar for both one particular players and perhaps players as a whole.  This is why teams are generally adamant about the “file and trial” tactic and taking the risk of a sometimes-awkward arb hearing, even in cases where there is a relatively small gap between the club’s figure and the player’s figure.

[RELATED: Arbitration projections from MLBTR contributor Matt Swartz]

Nineteen of the 30 teams have at least one unsettled case remaining, with the Rays (by far) leading the way with seven players on pace to reach hearings.  Given that Tampa Bay entered the offseason with an enormous 19-player arbitration class, it perhaps isn’t surprising that the Rays still have a lot of work to do, even after trimming that initial class size with non-tenders and trades.  Teoscar Hernandez’s $16MM is the largest figure submitted by any of the 33 players, while Kyle Tucker and Bo Bichette have the largest gap between submitted figures, each with a $2.5MM difference between their hoped-for salaries and the numbers respectively submitted by the Astros and Blue Jays.

The total list (which will be updated as settlements are reached and hearing results become known)….

Pirates Open To Adding Middle Infielder

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The Pirates’ middle infield is fairly open at the moment, with several talented young players who could eventually seize jobs on a more permanent basis but haven’t done so just yet. To that end, general manager Ben Cherington told members of the media, including Kevin Gorman of the Pittsburgh Tribune-Review, that the club wouldn’t rule out another external addition.

“I think we want to create competition there certainly, whether it’s guys that are already here. Wouldn’t rule out adding an infielder, either,” Cherington said. “I would emphasize the competition, but there will be a runway to be part of that competition and continue to earn it.”

At first glance, the idea of Pittsburgh adding a depth infielder is a little odd since they just traded Kevin Newman to the Reds. That move opened up the path for younger players to seize playing time, but evidently left them not totally satisfied with their remaining options. There’s possibly a financial component, as Newman was projected by MLBTR contributor Matt Swartz to make an arbitration salary of $2.8MM, which the Bucs will no longer have to worry about. They could redirect some of those funds to replace Newman, while having added reliever Dauri Moreta, the return in the trade.

It doesn’t seem like bringing in a reinforcement is a must, just something that’s on the table as the club gauges the temperature of the offseason. That’s a fairly logical approach, since they do have plenty of in-house options, though they are written in pencil and not in ink. Oneil Cruz is now the clear top shortstop with Newman out of the picture. He has tantalizing tools, such as elite exit velocities, sprint speed and arm strength. However, he struck out in 34.9% of his plate appearances last year and has long faced questions about whether he and his 6’7″ frame can stick at short in the long run. The reviews in 2022 were mixed, as Defensive Runs Saved gave him a 1 while Ultimate Zone Rating and Outs Above Average were much more pessimistic, giving him a -.7.5 and -9, respectively.

The corners seem to be fairly set for next year, with Ke’Bryan Hayes at third and Ji-Man Choi at first. The latter is an impending free agent and a midsummer trade candidate, though perhaps today’s waiver claimee Lewin Diaz can take over at that point. Cruz seems likely to get some more time to continue the shortstop experiment for the near future, with several candidates on hand to take over a full-time second base job or utility role.

Rodolfo Castro had a solid showing this year, hitting 11 home runs and stealing five bases in just 71 games. He finished the year with a batting line of .233/.299/.427, which amounted to a wRC+ of 102, or 2% above average. He played between 19 and 32 games at each of second, third and short and is a switch-hitter, making him well-suited to a utility role. Though it’s also possible he separates himself from the pack and seizes the job at the keystone.

Ji Hwan Bae got a cup of coffee towards the end of the year, hitting well in 10 games while showcasing his speed. He added three steals at the big league level to go with the 30 he tallied in the minors prior to his call-up. He played some second base with the big league club but also center and left field.

Diego Castillo didn’t hit much last year but did play all four infield positions as well as right field. Hoy Park and Tucupita Marcano didn’t hit much either but both played the outfield corners and each infield position except for first base. Prospects Liover Peguero and Nick Gonzales played both second and short at Double-A last year and could be factors in 2023.

The Pirates are obviously rebuilding and very few expect them to emerge as surprise contenders in 2023, which means this jumble will likely be straightened out as the season goes on. If they look into adding a more established player to the mix, they surely won’t be going after top free agents like Carlos Correa, Trea Turner, Xander Bogaerts or Dansby Swanson. Even the next tier of free agents like Elvis Andrus, Jean Segura and Jose Iglesias will likely be looking for more secure jobs than just the placeholder gig in Pittsburgh. That means the Bucs will likely be in contact with options like Hanser Alberto, Yu Chang, Tyler Wade or Danny Mendick. On the trade market, guys like Isiah Kiner-Falefa and Cavan Biggio could be available, though it’s also possible that Cherington keeps working the waiver wire.

Injury Notes: Jones, Wells, Castillo

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Less than two weeks after being drafted second overall, Druw Jones’ pro debut will now likely be put off until 2023 due to a left shoulder injury suffered in Jones’ first batting-practice session with the Diamondbacks.  Jones received an MRI yesterday but it isn’t known yet if surgery could be required, Arizona farm director Josh Barfield told reporters (including MLB.com’s Steve Gilbert).

Most pundits tabbed Jones as the top player available in the 2022 draft class, though after the Orioles opted for Jackson Holliday with the first overall pick, the D’Backs jumped to select Jones in the second spot.  The 18-year-old was tentatively slated to start playing Arizona Complex League games this week, and possibly further minor league action later in the season if all went well.  Now, Jones probably won’t officially get onto the field until next season, and even the start of the 2023 season might not be a sure thing if he indeed has to get surgery.

More injury notes from around baseball…

  • The Orioles placed right-hander Tyler Wells on the 15-day injured list due to discomfort in his lower left side.  Baltimore also optioned left-hander Nick Vespi to Triple-A and called up righties Logan Gillaspie and Beau Sulser in corresponding moves.  After making his big league debut as a reliever in 2021, Wells became a solid member of the Orioles rotation this year, posting a 3.90 ERA over 20 starts and 94 2/3 innings.  However, his side injury forced him to make an early exit from his start yesterday against the Rays, and the full extent of Wells’ injury (i.e. a possible oblique problem) isn’t yet known.
  • The Mariners placed Diego Castillo on the 15-day IL due to right shoulder inflammation, with a placement retroactive to July 26.  Righty Matt Brash was recalled from Triple-A to take Castillo’s roster spot.  This is the third time in four seasons that shoulder inflammation has sent Castillo to the IL, though he was able to return within 2-3 weeks in each of those previous stints.  It was almost exactly one year ago that the Mariners acquired Castillo from the Rays in a pre-deadline trade, and the righty has continued his quality work in a Seattle uniform, posting a 3.53 ERA over 58 2/3 innings as a Mariner.  Walks have been an issue for Castillo this season, but has mitigated these control problems with above-average strikeout and hard-contact numbers, as well as a career-best 9.7% home run rate.

AL Notes: Mariners, Lewis, Castillo, Misiewicz, White Sox, Giolito

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The Mariners were hopeful that reigning Rookie of the Year Kyle Lewis would begin a rehab assignment on Friday, but those plans were dashed by soreness in his surgically-repaired right knee, per The Athletic’s Corey Brock. Lewis went under the knife in June after just 147 plate appearances. His offense was down a little to a .246/.333/.392 triple slash line, but even ignoring the small sample caveat, that’s still good for a 107 wRC+.

Lewis’ delay is unfortunate, especially given the struggles of Jarred Kelenic in center.  Jake Fraley and Taylor Trammell have helped out in center as well, but Fraley is on the injured list and Trammell is in Triple-A. Somewhat improbably in the playoff hunt, the Mariners could certainly use better than the 50 wRC+ that Kelenic is providing, but given this latest setback for Lewis, any improvement will likely have to come from Kelenic himself. In other news…

  • The Mariners expect bullpen reinforcements soon. Diego Castillo and Anthony Misiewicz are on their way back from the injured list, per Ryan Divish of the Seattle Times (via Twitter). Misiewicz has been one of their more reliable relievers on the season, and Castillo was intended to take over the closer role when he was acquired at the deadline. Paul Sewald has claimed that job for now, so it will be worth watching where manager Scott Servais chooses to work Castillo back into the mix. [UPDATE: the Mariners have officially reinstated Castillo and Misiewicz from the IL.]
  • Lucas Giolito’s hamstring strain may ultimately be a good thing for the White Sox righty. A short stint on the injured list will allow him to reset and adjust some of his mechanics, per Bruce Levine of 670 The Score. On finishing his delivery, Giolito said, “When my finish gets violent, I am recoiling on the pitch and my leg stiffens out. It’s almost like I am falling backwards. I don’t want to be there. It’s a bad habit. When I am strong on my front leg, even with a little bend, it allows me to get through the pitch, which leads to more extension going forward. I feel I am more consistent when I am more athletic and stronger through my finish.”

Mariners Place Diego Castillo On 10-Day Injured List

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The Mariners have placed Diego Castillo on the 10-day injured list with right shoulder inflammation, recalling Robert Dugger from Triple-A to fill his roster spot, per the team.

The acquisition of Castillo from the Rays at the trade deadline was a calculated gamble by GM Jerry Dipoto to gain more long-term security without suffering a drop-off from Kendall Graveman, an impending free agent who was dealt to the Astros. Castillo has more-or-less performed as expected, considering the small sample.

Castillo has one save in 10 outings since joining Seattle, tossing 9 1/3 innings and allowing four earned runs. In total on the year, Castillo has a 2.96 ERA/3.92 FIP in 45 2/3 innings with the Rays and Mariners.

Dugger has bounced back and forth between Tacoma and the bigs this season, his first with the Mariners. The results have been underwhelming at both stops, however. He has a 7.30 ERA in 37 innings in Triple-A and a 6.45 ERA in 22 1/3 innings with the Mariners.

Mariners, Rays Finalizing Deal Involving Diego Castillo And JT Chargois

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The Mariners are finalizing an agreement to acquire reliever Diego Castillo from the Rays, reports Jeff Passan of ESPN (Twitter link). In return, Seattle is sending fellow bullpen arm JT Chargois and third base prospect Austin Shenton to Tampa Bay, reports Ryan Divish of the Seattle Times (Twitter link).

Castillo steps in, presumably, as the piece that Seattle GM Jerry Dipoto foreshadowed two days ago when the Mariners sent breakout closer Kendall Graveman to their division rival in Houston. Castillo reinforces Seattle’s bullpen not only now, but into the future. Unlike Graveman, who is a free agent at the end of the season, Castillo will remain under Seattle’s control through the 2024 season. He will be eligible for arbitration for the first time this winter.

The Rays, after all, often treat arbitration the way other franchises treat impending free agency, so it’s not a shock to see them move off Castillo, much like they did with shortstop Willy Adames earlier this season.

That said, Castillo had taken on a more premium position in Tampa’s bullpen than ever before this season, slotting in as their nominal closer. In 37 appearances, Castillo marked a 2.72 ERA/3.16 FIP across 36 1/3 innings while notching 14 saves, two more than he’d had overall in his career before the start of the season.

He’s striking out more batters than ever with a very strong 33.8 percent strikeout rate. He’s limiting free passes with a career-best 6.9 percent walk rate. The Mariners will be able to slot Castillo directly into Graveman’s vacated closer role, should they so choose.

As for the Rays, they are taking yet another opportunity to restock their farm system. Shenton was the Mariners’ 12th-ranked prospect per Baseball America. The 23-year-old third baseman started the year in High-A before earning a promotion to Double-A with a .295/.418/.576 line through 273 plate apperances.

The other piece in the deal, Chargois, should step into Castillo’s spot in the bullpen, if not his exact role. Chargois, 30, doesn’t have Castillo’s pedigree, but he’s been perhaps as effective this season, pitching to a 3.00 ERA/3.19 FIP across 30 innings for the Mariners. He’s slider-dominant with a 95.8 mph sinker to compliment, utilized more heavily against right-handers.

He seems to have figured out the control problems that plagued him in his youth. Chargois has a 5.1 percent walk rate this season after posting a double-digit percentage from 2015 through 2019 while bouncing between the upper minors and Majors with the Twins and Dodgers. As a cheap, rehabilitated arm with a keen point-of-view on the mound, Chargois fits the Rays’ profile to a tee.

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