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Carlos Hernandez

Guardians Outright Carlos Hernández

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Aug. 22: Hernández went unclaimed on waivers and indeed accepted an outright to Triple-A Columbus, per Tim Stebbins of MLB.com.

Aug. 20: The Guardians announced that right-hander Carlos Hernández has been designated for assignment. That’s the corresponding move to select left-hander Parker Messick, a move which was previously reported.

Hernández, 28, was claimed off waivers from the Tigers three weeks ago. Since then, he has tossed seven innings for the Guards, allowing three earned runs but with three walks and just three strikeouts.

The righty has some intriguing attributes but he has struggled lately and is out of options. That has pushed him into fringe roster territory. Dating back to March, he has gone from the Royals to the Phillies, Tigers and Guardians via waiver claims. Now that he’s been designated for assignment and the trade deadline has passed, he will be available on waivers again in the coming days.

Hernández averages in the upper 90s with both his fastball and sinker, in addition to throwing a splitter, slider and knuckle curve. He has occasionally used that arsenal to post some interesting numbers. In 2023, for instance, he logged 70 innings for the Royals. His 5.27 earned run average obviously wasn’t great but he struck out 25.7% of batters faced, a strong figure. His 10.3% walk rate was a tad high but close to normal for a power reliever. In 2024, he dropped his ERA to 3.30, though his strikeout rate fell to 20.9% as his walk rate ticked up to 12.4%.

This year, as he has bounced around the league, he has posted a 6.23 ERA in 43 1/3 innings. His strikeout rate has dropped again, sitting at 19.2% so far. As mentioned, those results and his out-of-options status have led to him continually getting bounced to the waiver wire.

It’s still possible another club out there sees some upside. As mentioned, the pitch mix is enticing. Hernández is also theoretically controllable via arbitration for another two seasons after this one. For a rebuilding club, there would be an argument for taking a flier. However, he is already making $1.16MM this year and would be due a nominal raise for 2026, so it also wouldn’t be a shock if teams find it hard to roster him.

If this is the time he clears waivers, he would have the right to elect free agency but likely wouldn’t do so. Players with at least three years of service time have the right to reject outright assignments but need five years of service to exercise that right and keep their remaining salary commitments. Hernández is between three and five years, meaning he would have to walk away from about $245K to head to the open market. He will likely stay and collect that money but then would be able to elect free agency at season’s end if not added back to the roster beforehand.

Photo courtesy of Ken Blaze, Imagn Images

Guardians Claim Carlos Hernandez

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The Guardians claimed right-hander Carlos Hernandez off waivers from the Tigers, according to MLB.com’s Tim Stebbins.  Detroit designated Hernandez for assignment last week. Cleveland also activated reliever Trevor Stephan from the 60-day injured list and optioned him to Triple-A.

The veteran reliever has now changed teams via waiver claim for the third time in a little over four months.  Hernandez had spent his entire career in the Royals organization before the Phillies claimed him away in March, then the Tigers plucked him off the waiver wire in mid-June.  Both of those teams gave Hernandez some action at the MLB level, and the righty has a 6.69 ERA over 36 1/3 combined innings with Philadelphia (25 games) and Detroit (11 games).

Hernandez’s 20.5% strikeout rate and 10.8% walk rate this year are pretty close to his career marks over six Major League seasons, and Hernandez has a career 5.17 ERA in 292 2/3 innings.  Now out of minor league options, Hernandez can’t be assigned to the minors without first being exposed to waivers, hence his increasingly frequent trips to DFA limbo.

He does have two years of arbitration control remaining, and teams have been interested enough in his stuff to add him on multiple claims now, with the Guardians being the latest to see if Hernandez can offer more with a change of scenery.  Cleveland’s pitching development system could perhaps unlock something in the right-hander, who is still only 28 years old.  Owed just the remainder of a $1.16MM salary for 2025, Hernandez is a pretty inexpensive depth arm to the Guardians’ bullpen.

Tigers Designate Carlos Hernández For Assignment, Select Geoff Hartlieb

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The Tigers announced that they have selected the contact of right-hander Geoff Hartlieb. Fellow righty Carlos Hernández has been designated for assignment in a corresponding move. Members of the Detroit beat, including Cody Stavenhagen of The Athletic, noticed earlier today that Hernández didn’t have a locker in the clubhouse.

Hernández, 28, was claimed off waivers from the Phillies just over a month ago. He got into 11 games for the Tigers but allowed 12 earned runs in 10 2/3 innings. There was surely some small sample weirdness in there. His .412 batting average on balls in play and 35% strand rate were both far to the unfortunate side. He didn’t help himself by walking 11.3% of batters faced but his 24.5% strikeout rate was solid.

Ultimately, it’s not a lot to go on, but the Tigers decided to make a change. Hernández pitched in each of the past two games and may not have been available tonight, so they’ve swapped him out for a fresh arm.

He’s likely to end up on waivers again in the next few days. He has shown promise at times in his career but has been inconsistent. He averages in the upper-90s with his fastball and sinker while also featuring a splitter, slider and knuckle curve. He posted a 25.7% strikeout rate with the Royals in 2023 but that dropped to 20.9% last year and is at 20.5% here in 2025. Though as mentioned, his strikeout rate spiked a bit with Detroit more recently.

Kansas City burned his final option year in 2024 and put him on waivers just ahead of Opening Day this year. The Phils grabbed him but he posted a 5.26 ERA before getting put back on waivers in June, which is when the Tigers grabbed him.

Though his 6.69 ERA on the year isn’t attractive, teams might be attracted by the stuff. He’s making a modest $1.16MM this year and can be retained via arbitration for another two seasons after this one. Perhaps a club selling bullpen pieces ahead of the deadline might grab him for the stretch run, though he’s out of options and can’t be easily sent to the minors.

Hartlieb, 31, just signed a minor league deal with the Tigers less than two weeks ago. He has made two appearances for the Yankees this year but allowed three earned runs in each of them. He currently has a 40.50 ERA in 1 1/3 innings. Around those appearances, he’s been pretty good in Triple-A this year. He has 37 1/3 innings pitched at that level with a 3.13 ERA, 27.6% strikeout rate, 6.6% walk rate and 42.1% ground ball rate.

Like Hernández, Hartlieb is out of options and likely has a tenuous hold on a roster spot. But for now, he’ll give them a fresh arm for a key four-game series against the Blue Jays which kicks off tonight. Those two clubs and the Astros are leading the three American League divisions and are currently neck-and-neck for the league lead. The Jays and Astros are both 60-42 with the Tigers half a game back at 60-43.

Photo courtesy of Charles LeClaire, Imagn Images

Tigers Claim Carlos Hernández

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The Tigers have claimed right-hander Carlos Hernández off waivers from the Phillies, according to announcements from both clubs. Philadelphia had designated him for assignment last week. Detroit had an open 40-man roster spot due to designating righty John Brebbia for assignment yesterday. Hernández is out of options, so the Tigers will need to open an active roster spot once he reports to the club.

Hernández, 28, has big velocity but hasn’t always been able to translate it into results. After working in a swing role with the Royals from 2020 to 2022, he seemed to be breaking out as a reliever in the first half of 2023. Through August 1st of that year, he had thrown 54 innings with a 3.67 earned run average, 30.2% strikeout rate and 7.4% walk rate.

Unfortunately, he posted a 10.69 ERA in his final 16 innings that year. In 2024, he battled some shoulder soreness and spent the first two months of the season on the injured list. When he was reinstated, the Royals shuttled him to Triple-A and back. He posted a 3.30 ERA in the big leagues that year but with subpar strikeout and walk rates of 20.9% and 12.4% respectively. He also had a 5.40 ERA in his minor league work.

He came into 2025 out of options and didn’t make the Kansas City roster out of camp, which led him to the waiver wire and a claim by the Phillies. He logged 25 2/3 innings for the Phils this year with a 5.26 ERA, 18.7% strikeout rate and 10.6% walk rate. Though he hasn’t been able to execute, the stuff is enticing, with Hernández averaging just under 98 miles per hour on his fastball this year while also throwing a splitter, slider and knuckle curve.

Perhaps the Tigers feel they have a path to help him better harness that stuff. Or perhaps he’s just available when they want a fresh arm. Righty Will Vest departed yesterday’s game due to some discomfort in the pinky finger of his throwing hand, per Cody Stavenhagen of The Athletic. Perhaps he will require a stint on the injured list, opening a hole in the big league bullpen. Since the Tigers had an open 40-man spot anyway, claiming Hernández is perhaps a bit of insurance for Vest.

It’s also possible that the Tigers plan to put Hernández back on waivers shortly with the hope of passing him through unclaimed. The Tigers have the best record in baseball and therefore the final waiver priority, meaning the other clubs just passed on him. Hernández has between three and five years of big league service time, meaning he has the right to reject an outright assignment but would have to forfeit the remainder of his $1.16MM salary in order to do so. For now, he’ll report to the Tigers and try to put some good outings together for them.

Photo courtesy of Kyle Ross, Imagn Images

Phillies Designate Carlos Hernández For Assignment

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The Phillies announced Wednesday morning that right-handed reliever Carlos Hernández has been designated for assignment. His spot on the 26-man roster will go to fellow righty Michael Mercado, who’s been recalled from Triple-A Lehigh Valley. Mercado was already on the 40-man roster, so the Phils now have one open spot.

Hernández, 28, came to the Phils via waivers back in spring training. The Royals had attempted to pass the flamethrowing, out-of-options righty through waivers and retain him as a depth arm, but Philadelphia claimed the power-armed, 6’4″ righty in hopes of unlocking what’s long looked like some latent potential.

It hasn’t worked out thus far. In 25 2/3 innings out of Rob Thomson’s bullpen, Hernández has been tagged for 15 earned runs on 32 hits and 13 walks. He’s plunked a pair of hitters as well. The resulting 5.26 ERA is an eyesore, Hernández’s once strong strikeout rate has dipped below average; he’s fanned only 18.7% of opponents against a 10.6% walk rate.

Back in 2023, Hernández looked like a breakout arm in Kansas City’s bullpen in the season’s first half. He was averaging better than 99 mph on his fastball and carried a 3.57 ERA, 30% strikeout rate and 7.1% walk rate into that year’s trade deadline. With the Royals operating as sellers and Hernández performing so well, he even looked like an under-the-radar trade chip for a club that, at the time, didn’t have much to peddle to deadline buyers.

The Royals hung onto Hernández — understandably so; he had four additional seasons of club control remaining — and things went south almost immediately. Hernández served up four runs in his third outing post-deadline, and his season snowballed from there. In 17 innings post-deadline, he was shelled for 20 runs. The strong command he’d displayed evaporated, as he walked more hitters than he struck out in the season’s final two months. Hernández missed about two months the following season due to shoulder troubles. He never required surgery, but his velocity has never returned to his 2023 levels, and his command has never rebounded to the levels we saw in the first two-thirds of the 2023 season.

Now that Hernández has been designated for assignment, the Phillies will either trade him or place him on waivers within the next five days. Waivers themselves are a 48-hour process. Within a week’s time, we’ll know what’s next for the hard-throwing righty.

Royals Outright Nick Pratto, Nelson Velazquez; Phillies Claim Carlos Hernandez

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The Royals have cleared three spots on their 40-man roster, according to a report from Anne Rogers of MLB.com. The club placed first baseman Nick Pratto, outfielder Nelson Velazquez, and right-hander Carlos Hernandez on waivers. Hernandez was claimed by the Phillies, while both Pratto and Velazquez cleared waivers and have been outrighted to Triple-A. The Phillies subsequently announced they’ve designated right-hander Tyler Phillips for assignment to make room for Hernandez on the roster.

Hernandez, 28, is a hard-throwing righty who signed with the Royals out of Venezuela and made his pro debut back in 2017. He climbed the minor league ladder before eventually making it to the majors during the 2020 campaign, although his five-appearance cup of coffee was one to forget with a 4.91 ERA and 6.40 FIP in 14 2/3 innings of work. Nonetheless, he served in a swing role for Kansas City the following year and found success in that role, pitching to a 3.68 ERA and 4.08 FIP across 85 2/3 innings of work. That seemed to hint at a fairly bright future in store for the right-hander, but things didn’t work out that way as Hernandez struggled badly over the next two years with a 6.21 ERA in 126 innings of work as he struck out just 19.8% of opponents while walking them at a hefty 11% clip.

Those struggles were enough to spur a full-time move to the bullpen for Hernandez in 2024, and the results were a clear improvement. On the surface, his numbers looked excellent as he pitched to a 3.30 ERA with a 3.50 FIP in 30 innings of work. With that being said, it can’t be ignored that Hernandez also allowed three unearned runs, struck out just 20.9% of his opponents, and struggled badly at Triple-A when not in the majors with a 5.40 ERA in 26 2/3 innings of work. Most concerning was his walk rate, which ballooned to a career-high 12.4% last year. Those issues left Hernandez without a guaranteed roster spot headed into Spring Training, and with no minor league options left the Royals had no choice but to place him on waivers when his 6.97 ERA in 10 1/3 spring innings did not justify a spot in the club’s bullpen.

That gave the Phillies the opportunity to swoop in an add a high-velocity arm off waivers, though they had to part ways with Phillips in order to do so. The 27-year-old made his big league debut with Philadelphia last season and struggled to a 6.87 ERA in 36 2/3 innings of work split between seven starts and one relief outing. The Phillies will have one week to either trade Phillips or attempt to pass him through waivers. If he goes unclaimed, the club can outright him to the minors as a non-roster depth option. Meanwhile, Hernandez figures to enter the club’s bullpen as a possible long relief option alongside Joe Ross and Taijuan Walker, though the latter could be ticketed for a return to the rotation if Ranger Suarez opens the season on the injured list.

As for Velazquez and Pratto, both are young hitters who have shown promise at points in their careers but have struggled to find consistency at the big league level. Velazquez was acquired from the Cubs at the 2023 trade deadline in exchange for right-hander Jose Cuas and impressed in 40 games down the stretch with the club before stumbling to a lackluster .200/.274/.366 slash line in 64 games last year. Pratto, meanwhile, was the club’s first-round pick in 2017 and once a consensus top-100 prospect, but he’s failed to hit in the majors so far with just a .216/.295/.364 slash line across 144 games at the big league level. Both players will now serve as non-roster depth for the club this year and try to play their way into another big league opportunity at Triple-A.

10 Out Of Options Players To Watch This Spring

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One of the most interesting elements of spring training every year, at least for those of us who feast on roster construction minutiae, is the collection of players who are out of minor league options. MLBTR just released a full list of such players earlier today.

In many instances, a player being out of minor league options is inconsequential. Justin Steele, Isaac Paredes and Evan Phillips are among the players who fit that description but are in no risk of losing their MLB roster spot. They're all key players on big league rosters who'd never be in danger of being sent down to the minors anyhow.

However, there are typically a handful of players every spring who are on the roster bubble with their current club but who could be a better fit on a team with less competition in their current position. Most of these players have already had big league opportunities with their current club but whether due to injury or poor performance (or both) have yet to firmly seize hold of a roster spot. As players exhaust their minor league options, they'll tend to face increased competition from younger players progressing through the minor league ranks and/or external additions made via trade or free agency. An out-of-options player who doesn't fit his current roster can still go on to find a more solid role and some success elsewhere. Joey Bart was in just this spot last year and after being squeezed out in San Francisco has emerged as Pittsburgh's starting catcher. The Yankees didn't have a spot for Ben Rortvedt, but he's the Rays' clear No. 2 catcher now.

Let's run through 10 names to keep an eye on this spring. Not all of these players will lose their roster spots, and even some who do might not wind up making an impact elsewhere. But each of the names listed here has some reason to hold a bit more intrigue than many of their out-of-options brethren (players listed alphabetically)...

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Royals Place Hunter Harvey On 15-Day Injured List

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The Royals announced that right-hander Hunter Harvey has been placed on the 15-day injured list (retroactive to August 7) due to mid-back tightness.  Right-hander Carlos Hernandez was called up from Triple-A in the corresponding move.

The back problem has kept Harvey from pitching since August 4, so he’ll get the maximum three days of backdated IL placement time factored into a longer stint on the sidelines.  Clearly Harvey and the Royals were hopeful that some rest would allow for Harvey to heal without the need for a trip to the injured list, but today’s news continues that has been a shaky beginning to the reliever’s tenure in Kansas City.

Acquired from the Nationals just under a month ago, K.C. paid a hefty price to land the righty, giving up both notable infield prospect Cayden Wallace as well as the 39th overall pick in the 2024 draft (the Royals’ Competitive Balance Round selection, which are the only types of draft picks that can be traded).  The Royals were hoping that Harvey could help solidify their bullpen, but he has thus far posted a 6.35 ERA in 5 2/3 innings over four appearances, with four walks and five strikeouts.

These numbers are starkly different from the 4.20 ERA, 26.3% strikeout rate, and 6.3% walk rate Harvey posted in 45 innings for Washington prior to the trade.  The small sample size of Harvey’s time with the Royals must be considered, of course, plus some extra misfortune in the form of a .389 BABIP since he went from D.C. to K.C.  However, while most secondary metrics indicated that Harvey pitched better with the Nats than his 4.20 ERA indicated, he is near the bottom of the league with a 48.3% hard-hit ball rate.

It could be that all of that hard contact was bound to catch up with Harvey eventually, and it surely hasn’t helped that he might’ve been nursing a bad back during some of this time.  Harvey has a long injury history mostly related to arm problems rather than back issues, so hopefully a 15-day absence will fully correct the problem.

Harvey joins a few other Royals relievers on the IL, as John Schreiber and Dan Altavilla are expected back roughly around the end of August and the team is hopeful Josh Taylor can return at some point in September.  The injuries haven’t helped the Royals’ efforts to both improve their bullpen results or their broader goal of reaching the playoffs, and with Harvey out, it puts more pressure on James McArthur and new arrival Lucas Erceg to hold the fort in high-leverage situations.

Royals Select Walter Pennington

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The Royals announced today that they have reinstated infielder/outfielder Adam Frazier from the injured list and selected the contract of left-hander Walter Pennington. In corresponding moves, they optioned infielder CJ Alexander and right-hander Carlos Hernández. To open a 40-man spot for Pennington, right-hander Dan Altavilla was transferred to the 60-day injured list.

Pennington, 26, signed with the Royals as an undrafted free agent in 2020. That year’s draft was reduced to just five rounds due to the pandemic. Since then, he has been climbing the minor league ladder, getting lots of strikeouts and ground balls but also struggling with command at times.

Last year, he tossed 70 2/3 innings between Double-A and Triple-A, allowing 3.18 earned runs per nine frames. He struck out 25.5% of batters faced and got grounders on more than half of the balls allowed in play, but he also gave out walks at an 11.9% clip. Here in 2024, he’s tossed 53 2/3 innings over 32 Triple-A appearances. He has a huge 35.3% strikeout rate and 52.6% ground ball rate, also reducing his walk rate to 8.8%.

That strong performance will get him called up to the big leagues for the first time. He’ll provide the Royals with a left-handed reliever, one capable of pitching multiple innings per outing. 14 of his 32 appearances this year have been for two innings or longer, with Pennington getting as high as four frames.

As for Altavilla, he landed on the 15-day IL on June 2o due to a right oblique strain. He’ll now be ineligible to return until 60 days from that initial IL placement, which would be the middle of August.

Royals Designate Tyler Duffey For Assignment

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The Royals announced today that right-hander Carlos Hernández has been reinstated from the injured list. To open a spot for him on the roster, right-hander Tyler Duffey has been designated for assignment. Daniel Álvarez-Montes of El Extrabase reported on X prior to the official announcement that Hernández was coming off the IL.

Duffey, 33, signed a minor league deal with the Royals in the winter. He revealed in March that he underwent surgery to remove a cancerous mole from his left shoulder. He noted at that time that post-surgery checks came back negative but that he would continue to get check-ups during the coming months.

The Royals added him to their big league roster just over a month ago. He has since made nine appearances, throwing nine innings, with five earned runs allowed. His 23.8% strikeout rate in that time is around league average but his 19% walk rate is very high and he also hit one batter. Though his 5.00 ERA isn’t disastrous, it’s possible that it’s been kept low by the fact that he hasn’t yet allowed a home run this year. Given the free passes he’s been giving out, it’s possible the Royals didn’t want to wait around and see his luck run out.

They will now have a week to trade Duffey or pass him through waivers. He had a solid run for the Twins a few years back but has struggled more recently. From 2019 to 2021, he threw 144 innings for Minnesota with a 2.69 ERA, 29.8% strikeout rate, 8.2% walk rate and 44.4% ground ball rate. But his ERA jumped to 4.91 in 2022 and he spent most of last year in Triple-A for the Cubs. He struck out 29.1% of batters faced for Iowa but also gave out walks 12.6% of the time.

If he were to pass through waivers unclaimed, he would be able to reject an outright assignment and elect free agency while retaining what remains of his salary, as a player with more than five years of major league service time.

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