The Yankees selected Castro's contract from Triple-A Scranton/Wilkes-Barre on Thursday.
Castro dominated minor-league hitters in 2025, turning in a 1.53 ERA, 1.04 WHIP and 52:22 K:BB across 47 innings with Scranton/Wilkes-Barre. He'll be rewarded with a place on New York's 40-man roster as a result of his performance, and he'll have a chance to win a spot in the Yankees' bullpen during spring training.
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Yankees' Kervin Castro: Makes season debut
Rotowire
Castro (elbow) struck out two batters over 1.1 perfect innings of relief Saturday in Triple-A Scranton/Wilkes-Barre's 5-4 loss to Lehigh Valley.
Castro enters the 2025 season at full health after he didn't pitch in 2024 while completing his recovery from June 2023 Tommy John surgery. The 26-year-old right-hander previously saw big-league action in the 2021 and 2022 seasons, making a combined 20 appearances between stops with the Giants and Cubs.
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Astros' Kervin Castro: Arrives in Houston
Rotowire
Castro (elbow) signed a minor-league contract with the Astros on Nov. 18.
Castro underwent Tommy John surgery in June and is expected to be sidelined until after next year's All-Star break. He holds a 4.91 ERA and 24:11 K:BB over 25.2 relief innings at the big-league level.
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Kervin Castro: Cut loose by Detroit
Rotowire
The Tigers released Castro (elbow) on Wednesday, Evan Woodbery of MLive.com reports.
Castro is expected to be sidelined until the second half of the 2024 season while he recovers from Tommy John surgery, a procedure he underwent in June. The 24-year-old previously had the same surgery in 2017, which may have factored into the Tigers' decision to move on from the right-hander. Castro made 20 appearances in the big leagues between the 2021 and 2022 seasons but had pitched exclusively for the Tigers' Triple-A affiliate in Toledo in 2023 before having surgery.
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Tigers' Kervin Castro: Gets Tommy John surgery
Rotowire
The Tigers announced Wednesday that Castro recently underwent Tommy John surgery to address a right elbow sprain, Evan Woodbery of MLive.com reports.
The Tommy John procedure is the second of Castro's career, as he previously had the surgery in 2017. After failing to win a spot in the Tigers' Opening Day bullpen, Castro began the 2023 campaign at Triple-a Toledo and made nine appearances before being placed on the affiliate's 7-day injured list with a previously undisclosed injury. He was later moved to the 60-day IL and is now likely to be facing a 12-to-14-month recovery after undergoing the reconstructive revision surgery on his UCL.
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Tigers' Kervin Castro: Sent to minors
Rotowire
The Tigers reassigned Castro to minor-league camp Monday, Jason Beck of MLB.com reports.
Castro had been attending spring training as a non-roster invitee after linking up with the Tigers on a minor-league pact in December. The 24-year-old righty has made 20 career relief appearances in the majors between stints with the Giants and Cubs, logging a cumulative 4.91 ERA and 1.52 WHIP over 25.2 innings.
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Tigers' Kervin Castro: Finds work with Detroit
Rotowire
Castro signed a minor-league contract with the Tigers on Dec. 12.
Castro spent his second season in the majors in 2022 but found little success, turning in a 10.22 ERA and 1.78 WHIP in 12.1 innings over 10 appearances between the Giants and Cubs. Though his deal with the Tigers may include an invitation to MLB spring training, the 23-year-old right-hander is expected to open the upcoming season at Triple-A Toledo.
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Cubs' Kervin Castro: Outrighted to Triple-A
Rotowire
Castro cleared waivers and was outrighted to Triple-A Iowa on Friday, Andy Martinez of Marquee Sports Network reports.
Castro was removed from the Cubs' 40-man roster Monday and will ultimately remain in the organization. Over 31 Triple-A appearances this year, he's posted a 5.19 ERA and 1.70 WHIP in 34.2 innings.
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Cubs' Kervin Castro: Moves back to Triple-A
Rotowire
Castro was optioned to Triple-A Iowa on Friday, Meghan Montemurro of the Chicago Tribune reports.
Castro has had a busy week. He was optioned Tuesday, recalled Wednesday and now optioned again two days later. He'll make way on the roster for Manuel Rodriguez (elbow), who returned from the injured list in a corresponding move.
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Cubs' Kervin Castro: Recalled by Chicago
Rotowire
Castro was recalled from Triple-A Iowa on Wednesday, Taylor McGregor of Marquee Sports Network reports.
Castro was sent down Tuesday but will rejoin the Cubs' bullpen a day later as part of a move after Steven Brault (shoulder) was placed on the 15-day injured list Wednesday. Over six relief appearances with the Cubs this year, Castro has posted an 8.22 ERA and 1.57 WHIP in 7.2 innings.
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Cubs' Kervin Castro: Optioned to Triple-A
Rotowire
Castro was optioned to Triple-A Iowa on Tuesday, Maddie Lee of the Chicago Sun-Times reports.
Castro will head back to Iowa after getting called up Aug. 3. While in the big leagues, the 23-year-old allowed seven runs on seven hits and five walks while striking out four over 7.2 innings in six appearances. Javier Assad was called up from Triple-A to replace Castro on the roster and start Game 1 of Tuesday's doubleheader with the Cardinals.
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Cubs' Kervin Castro: Takes loss in team debut
Rotowire
Castro (0-1) allowed three runs on two hits and two walks across an inning of relief to take the loss in the second game of Thursday's doubleheader against the Cardinals. He struck out one.
Making his team debut after being claimed off waivers Tuesday, Castro worked the seventh inning and ran into some trouble. After allowing a single and a walk to start the frame, he induced a Nolan Arenado double play groundout. However, Castro followed that with another walk, then allowed a three-run home run to Tyler O'Neill. With the Cubs trading David Robertson, Mychal Givens and Scott Effross before Tuesday's deadline, Castro should be able to carve out a bullpen role in Chicago, though he's unlikely to have much fantasy value.
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Cubs' Kervin Castro: Joins big-league club
Rotowire
Castro was recalled from Triple-A Iowa on Wednesday, Jordan Bastian of MLB.com reports.
The 23-year-old was recently claimed off waivers by the Cubs and will quickly join the major-league roster with David Robertson, Mychal Givens and Scott Effross traded ahead of Tuesday's deadline. Castro appeared in only two games for San Francisco this year before being DFA'd but didn't allow an earned run over 13.1 frames last season, and Chicago's trade departures leave most of the bullpen jobs wide open.
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Cubs' Kervin Castro: Claimed by Cubs
Rotowire
The Cubs claimed Castro off waivers from the Giants on Tuesday.
Shortly after optioning Castro to Triple-A Sacramento on Monday, the Giants designated him for assignment, but the Cubs swooped in to add the right-hander to their 40-man roster. It's not immediately clear if the Cubs plan to add Castro to the 26-man active roster, but they have some openings in the bullpen after moving David Robertson, Scott Effross and Mychal Givens ahead of Tuesday's trade deadline.
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Giants' Kervin Castro: Designated for assignment
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Castro was designated for assignment Monday by the Giants, Alex Pavlovic of NBC Sports Bay Area reports.
Castro did not allow an earned run in 13.1 big-league innings last season, but he has had a rough go of it both with the Giants and at Triple-A Sacramento this year, so the Giants took him off their 40-man roster.
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Giants' Kervin Castro: Optioned Sunday
Rotowire
Castro was optioned to Triple-A Sacramento on Sunday, Susan Slusser of the San Francisco Chronicle reports.
Castro allowed five runs in 1.2 innings during two appearances with the Giants. Alex Cobb (groin) was activated from the 10-day injured list in a corresponding move.
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Giants' Kervin Castro: Up with big-league club
Rotowire
Castro was recalled from Triple-A Sacramento on Tuesday.
The 23-year-old missed out on San Francisco's Opening Day roster but will now receive a big-league opportunity with Zack Littell (undisclosed) placed on the injured list. Castro made his MLB debut last year with 10 appearances and had didn't allow an earned run with a 13:4 K:BB over 13.1 innings.
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Giants' Kervin Castro: Sent down Sunday
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Castro was optioned to Triple-A Sacramento on Sunday, Andrew Baggarly of The Athletic reports.
Castro was reportedly a favorite to earn a spot in the Giants' bullpen as a bulk reliever, but he'll ultimately begin the year in the minors. The right-hander was effective during the 2021 campaign, posting a 2.86 ERA and 1.20 WHIP in 44 innings across 30 appearances at the Triple-A level before tossing 13.1 scoreless innings across his first 10 big-league appearances. As long as those strong results continue in Sacramento in 2022, it wouldn't be surprising to see him rejoin the Giants at some point.
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Giants' Kervin Castro: Notches first big-league win
Rotowire
Castro (1-0) allowed a hit and struck out two in two innings to earn the win Friday over Colorado.
Alex Wood pitched four innings as the starter Friday and left with the game tied; San Francisco took the lead once Castro was on the mound. The 22-year-old has been excellent in 9.1 scoreless innings to begin his major-league career. He's allowed nine hits and struck out eight without walking a batter. The right-hander will eventually endure some bumps in the road, but he's quickly built trust with manager Gabe Kapler to pitch in close contests.
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Giants' Kervin Castro: Strong start to big-league career
Rotowire
Castro has pitched six scoreless innings to begin his major-league career.
Castro was recalled Sept. 6, and he's pitched in four games since joining the big-league roster. He's allowed eight hits, but he has yet to walk a batter while striking out three in his six innings. The 22-year-old was solid with a 2.86 ERA and 1.20 WHIP in 44 innings with Triple-A Sacramento, and that's translated to success in a low-leverage role for the Giants.
