The Mariners optioned Kowar to Triple-A Tacoma on Tuesday.
Kowar had allowed four runs over 2.1 innings covering his last three relief appearances. He'll head to Tacoma for now but could get another opportunity in the Seattle bullpen later on this season.
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Mariners' Jackson Kowar: Back in Seattle
Rotowire
The Mariners recalled Kowar from Triple-A Tacoma on Friday.
Kowar was optioned to Triple-A on Wednesday, but he'll turn around and head back to Seattle to replace the injured Trent Thornton (Achilles). Kowar will likely take on a middle-relief role with the Mariners after posting a 1.54 ERA and 0.86 WHIP through 11.2 innings with the big club this season.
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Mariners' Jackson Kowar: Sent back to Tacoma
Rotowire
The Mariners optioned Kowar to Triple-A Tacoma on Wednesday.
The Mariners had to make room in their bullpen after acquiring Caleb Ferguson from Pittsburgh on Wednesday, and Kowar will officially end up as the roster casualty. The 28-year-old righty pitched three scoreless innings after being recalled from Triple-A on Thursday, lowering his big-league ERA to 1.54 through 11.2 frames this season.
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Mariners' Jackson Kowar: Back with M's
Rotowire
The Mariners recalled Kowar from Triple-A Tacoma on Thursday.
Since being optioned to Triple-A in mid-June, Kowar has given up six runs (three earned) over nine innings while striking out 12 batters and walking seven. He owns a 2.08 ERA through 8.2 frames with the Mariners this year, but his career 8.38 ERA will keep him limited to a low-leverage role in Seattle's bullpen. Brandyn Garcia was optioned to Tacoma in a corresponding move.
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Mariners' Jackson Kowar: Heading to Triple-A
Rotowire
The Mariners optioned Kowar to Triple-A Tacoma on Monday, Shannon Drayer of SeattleSports.com reports.
The transaction frees a spot on the active roster for the return of right-hander Logan Gilbert (elbow) from the injured list. Kowar made seven appearances after being activated from the 60-day injured list late last month, yielding two runs with an 8:3 K:BB over 8.2 frames.
The Mariners reinstated Kowar (elbow) from the 60-day injured list Wednesday.
Kowar will return to the majors after missing the entire 2024 season following Tommy John surgery last March. The 28-year-old right hander posted a 2.57 ERA and 1.29 WHIP across seven innings during his rehab assignment and did not yield a run in each of his last three outings. Kowar will be available to make his 2025 debut out of the Mariners' bullpen against the Nationals on Wednesday. Logan Evans was optioned to Triple-A Tacoma in a corresponding move.
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Mariners' Jackson Kowar: Closing in on return
Rotowire
Kowar (elbow) could be nearing his activation from the 60-day injured list, MLB.com reports.
Kowar has produced solid results in the minor leagues amidst his recovery from 2024 Tommy John surgery, posting a 2.57 ERA, 1.29 WHIP and 4:3 K:BB over seven innings (eight appearances) on his rehab assignment. The 28-year-old right-hander should be ready to make both his Mariners and season debut by early June, and he'll likely operate as a multi-inning reliever in Seattle's bullpen once he's fully up to speed.
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Mariners' Jackson Kowar: Moves to 60-day IL
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Kowar (elbow) was placed on the 60-day injured list Sunday, Daniel Kramer of MLB.com reports.
The right-hander missed all of last season after undergoing Tommy John surgery in March, and it's not a major surprise he'll be unavailable for at least the first two months of the 2025 season. Kowar has been throwing bullpen sessions and could be ready to face live batters before the end of spring training.
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Mariners' Jackson Kowar: Completes bullpen session
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Kowar (elbow) threw a bullpen session Monday, Ryan Divish of The Seattle Times reports.
Kowar will likely open the season on the injured list, but the right-hander looks to be nearing the finish line in his recovery from Tommy John surgery, which he underwent last March. He'll presumably remain limited to throwing bullpen sessions and playing catch in the early weeks of spring training, but he could be ready to face hitters in live batting practice before the end of camp. Kowar has a minor-league option remaining, so the Mariners could choose to send him to Triple-A Tacoma once he's fully recovered from surgery if the big club doesn't have a spot available for him in its bullpen.
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Mariners' Jackson Kowar: Requires Tommy John surgery
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The Mariners placed Kowar on the 60-day injured list Sunday after he was diagnosed with a torn UCL in his right elbow. He'll undergo Tommy John surgery next Friday in Dallas, Daniel Kramer of MLB.com reports.
After experiencing arm soreness early last week, Kowar was sent in for tests Friday, at which point the UCL damage was detected. The 27-year-old will miss the entirety of the upcoming campaign and likely the first couple months of 2025 as well. Kowar, whom Seattle acquired from Atlanta in December, was expected to handle a low-leverage role out of the Mariners bullpen.
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Mariners' Jackson Kowar: Getting sore arm checked out
Rotowire
Kowar will meet with a doctor Friday to have his sore right arm examined, Ryan Divish of The Seattle Times reports.
The Mariners gave Kowar a couple days to rest and that evidently didn't knock the soreness out, so he's set to be evaluated further. It's not clear whether the soreness is in his elbow or shoulder. Kowar might have been pitching his way into a bullpen spot with three strikeouts over two scoreless innings this spring, but now it's possible he could be sidelined for a while.
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Mariners' Jackson Kowar: Pushed back due to soreness
Rotowire
Kowar's next Cactus League appearance will be pushed back a few days as he deals with soreness, Ryan Divish of The Seattle Times reports.
Where exactly the soreness is located is not clear, but it doesn't seem like the Mariners have much concern that this could be a long-term injury. Kowar has impressed in the early going this spring with three strikeouts over two scoreless frames.
Kowar and Cole Phillips (elbow) were traded from Atlanta to Seattle on Sunday in exchange for Jarred Kelenic, Marco Gonzales and Evan White, Jeff Passan of ESPN.com reports.
Kowar was traded from Kansas City to Atlanta in mid-November, and he'll be on the move once again as the Winter Meetings get underway. The 27-year-old was once a highly-regarded prospect, but he's largely struggled in the big leagues. Over 39 appearances (eight starts), he's posted a 9.12 ERA and 2.09 WHIP in 74 innings. If he earns a spot on Seattle's Opening Day roster in 2024, it's possible he has to settle for a role as a long reliever early in the year.
Atlanta acquired Kowar from the Royals on Friday in exchange for Kyle Wright, Anne Rogers of MLB.com reports.
Kowar owns a brutal 9.12 ERA through his first 74 major-league innings, but he was a top-100 prospect just a few years ago and can maybe find himself with a change of scenery. The reigning NL East champs could try him as a long reliever in 2024, though he also has past experience as a starter.
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Royals' Jackson Kowar: Picks up second win
Rotowire
Kowar (2-0) allowed a hit and struck out two over a scoreless inning to earn the win Monday over the Guardians.
Kowar's two wins have come over his last five appearances, in which he's posted a 5.1-inning scoreless streak with a 6:1 K:BB. The right-hander is finding a bit more success out of the bullpen in the majors, though he still has a 4.91 ERA, 1.68 WHIP and 28:16 K:BB through 25.2 innings over 20 appearances this season. Kowar started just one of his 30 outings with Triple-A Omaha but pitched to a 5.96 ERA over 45.1 innings. It appears he'll mostly remain in a low-leverage role with the capability to take multiple innings for the rest of this season.
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Royals' Jackson Kowar: Snags first major-league win
Rotowire
Kowar (1-0) struck out one in a perfect inning to earn the win Tuesday over the White Sox.
Kowar pitched the ninth inning with the Royals down by one, but they scraped together two runs to walk it off. This was Kowar's fifth scoreless effort across eight appearances since he was recalled from Triple-A Omaha on Aug. 17. The right-hander has a 5.91 ERA, 1.83 WHIP and 23:15 K:BB over 21.1 innings in the majors this season while working almost exclusively as a reliever across all levels.
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