Baumann signed a minor-league deal with the Mets on Wednesday, Michael Mayer of MetsmerizedOnline.com reports.
Baumann logged a 4.20 ERA, 1.93 WHIP, 19:12 K:BB and 53.7 percent groundball rate in 15 innings as a reliever in NPB last year. Prior to heading to Japan for one year, the 30-year-old righty registered a 4.95 ERA, 1.45 WHIP and 147 strikeouts in 167.1 MLB innings, almost exclusively as a reliever. Baumann's poor control (16 percent walk rate in Japan) would likely limit him to low-leverage relief work if he earns a call-up in 2026.
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Mike Baumann: Becomes free agent
Rotowire
Baumann was released by the Marlins on Monday and later signed with the Tokyo Yakult Swallows of Japan's Nippon Professional Baseball Organization, Christina De Nicola of MLB.com reports.
Baumann was the definition of a journeyman in 2024, making stops with the Orioles, Angels, Marlins, Mariners and Giants. He didn't pitch particularly well, posting a 5.55 ERA and 1.49 WHIP with a 58:28 K:BB across 58.1 frames, so he'll look for a better outcome overseas in 2025.
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Marlins' Mike Baumann: Back from paternity leave
Rotowire
The Marlins activated Baumann from the paternity list Friday, Christina De Nicola of MLB.com reports.
Baumann missed the series against the Twins earlier this week while welcoming a new addition to the family, but he will be back in the bullpen for the Marlins' final games of the season in Toronto. He has allowed 10 runs with a 17:4 K:BB over 12.1 innings during his time with Miami.
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Marlins' Mike Baumann: Placed on paternity leave
Rotowire
The Marlins placed Baumann on the paternity list Tuesday.
Baumann will likely miss the three-game series with the Twins before rejoining the team this weekend in Toronto. He has allowed 10 runs but boasts a 17:4 K:BB over 12.1 innings since being claimed off waivers by the Marlins last month.
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Marlins' Mike Baumann: Claimed by Miami
Rotowire
The Marlins claimed Baumann off waivers from the Angels on Sunday.
The right-hander was designated for assignment by the Angels on Friday and will now join his fifth MLB club of the season. Bauman posted a 3.76 ERA in 60 appearances for the Orioles last season, but he has a 5.24 ERA, 1.54 WHIP and 40:21 K:BB across 44.2 frames in 2024. The right-hander has no minor-league options remaining, so he'll need to be added to the Marlins' 26-man active roster.
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Angels' Mike Baumann: Headed to waivers
Rotowire
The Angels designated Baumann for assignment Friday.
The right-hander was designated for assignment by the Giants on July 27 but was shipped to the Halos shortly after, only to get DFA'ed again. Baumann appeared in 10 games (9.1 innings) with Los Angeles, posting a 6.75 ERA and a 7:4 K:BB. Assuming he clears waivers, Baumann is expected to remain in the Angels' organization.
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Angels' Mike Baumann: Traded to Halos
Rotowire
The Angels acquired Baumann from the Giants on Tuesday in exchange for cash, Robert Murray of FanSided.com reports.
San Francisco designated Baumann for assignment Saturday, but he'll regain a 40-man roster spot with a new organization. He's out of minor-league options and thus will need to be added to the Angels' 26-man active roster. The right-hander reliever holds a 4.84 ERA and 1.44 WHIP over 35.1 innings across 36 appearances with the Giants, Mariners and Orioles.
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Giants' Mike Baumann: DFA'd by Giants
Rotowire
The Giants designated Baumann for assignment Saturday.
Baumann was acquired by San Francisco via trade Sunday after being designated for assignment by the Mariners on July 19. He surrendered two runs in two-thirds of an inning for the Giants. If he goes unclaimed on waivers, Baumann should be expected to remain in the Giants organization. Spencer Bivens was called up in a corresponding move.
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Giants' Mike Baumann: Traded to San Francisco
Rotowire
The Giants acquired Baumann from the Mariners on Sunday in exchange for cash considerations, Shayna Rubin of the San Francisco Chronicle reports.
Baumann will move on to his third organization of the season after beginning the campaign in Baltimore before being dealt to Seattle in May. Over his 35 appearances out of the bullpen with the Orioles and Mariners this season, Baumann has produced a 4.41 ERA and 1.38 WHIP with 32 strikeouts over 34.2 innings. Baumann doesn't have any minor-league options remaining and will need to be added to the Giants' 26-man active roster.
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Mariners' Mike Baumann: DFA'd by Seattle
Rotowire
The Mariners designated Baumann for assignment Friday.
The move corresponds with Seattle reinstating left-hander Gabe Speier (shoulder) from the 15-day injured list. Baumann was acquired by the Mariners from the Orioles on May 22 after being initially DFA'd by Baltimore. Across his 18 outings with Seattle, Baumann has posted a 5.51 ERA and 1.29 WHIP across 16.1 innings. He could garner interest from a team looking to add right-handed depth to its bullpen.
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Mariners' Mike Baumann: Nabs win after blown save
Rotowire
Baumann (3-0) allowed two runs on two hits in one inning Sunday. He struck out three and earned a win after blowing a save chance against Kansas City.
Baumann coughed up a game-tying, two-run shot to MJ Melendez with two outs in the bottom of the ninth inning. Fortunately for Baumann, the Mariners tallied three runs in the 10th inning to give him the win. Prior to Sunday's outing, he'd pitched 5.2 innings without allowing an earned run since joining Seattle. He now owns a 3.24 ERA with a 24:12 K:BB through 25 total innings this season. Andres Munoz returned from a back injury Sunday and should see most of the ninth-inning work moving forward, assuming he's healthy.
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Mariners' Mike Baumann: First win as Mariner
Rotowire
Baumann (2-0) got the win in an extra-inning victory over the Astros on Wednesday, firing a perfect 10th inning.
Just traded to the Mariners from the Orioles on May 22, Baumann was making his second appearance in a Seattle uniform Wednesday and was called on in the 10th after closer Andres Munoz had already worked the ninth. Baumann nearly got through the inning on a minimum number of pitches, locating all five pitches for strikes while retiring Chas McCormick, Victor Caratini and Jose Altuve. The veteran right-hander then became the pitcher of record when J.P. Crawford hit a walk-off sacrifice fly in the home half of the frame, giving Baumann his first win since April 10 in what was his fifth straight scoreless appearance.
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Mariners' Mike Baumann: Sent to Seattle
Rotowire
The Orioles traded Baumann and catcher Michael Perez to the Mariners on Wednesday in exchange for catcher Blake Hunt.
The 28-year-old righty was squeezed off the Orioles' 40-man roster Saturday to make room for Grayson Rodriguez's return from the injured list, and Baumann will now find a new home in the Seattle bullpen. He sports a 3.44 ERA and 1.47 WHIP alongside a 16:9 K:BB through 18.1 frames and should settle in as a middle reliever.
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Orioles' Mike Baumann: DFA'd by O's
Rotowire
The Orioles designated Baumann for assignment Saturday.
Baumann doesn't have any minor-league options remaining, so the Orioles had to remove him from their 40-man roster in order to create room on the big-league squad for Grayson Rodriguez (shoulder), who came off the injured list Saturday. Baumann has posted a 3.44 ERA and 1.47 WHIP across 18.1 innings this season and could attract interest on the waiver wire from teams in need of bullpen help.
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