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Tony Gonsolin RP | KC
Royals' Tony Gonsolin: Lands on IL
The Royals placed Gonsolin on the 15-day injured list Sunday due to an allergic reaction.
James McArthur (elbow) was reinstated to take Gonsolin's spot on the active roster for the final day of the regular season. Gonsolin spent most of the year on the mend from Tommy John surgery with an internal brace, returning for a lone big-league appearance Sept. 22, when he allowed five runs on four hits and three walks while striking out five over 2.2 innings against the White Sox.
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Craig Yoho RP | CLE
Guardians' Craig Yoho: Sent down Sunday
The Guardians optioned Yoho to Triple-A Columbus on Sunday, Roundtable.io reports.
Yoho gave up two runs on three hits and a wild pitch while recording just one out Saturday, bringing his ERA up to 4.93 in 34 big-league appearances in 2026, and he will now head back to the minors to conclude the regular season. Austin Peterson replaces Yoho on the active roster and in the Cleveland bullpen.
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Austin Peterson RP | CLE
Guardians' Austin Peterson: Recalled to majors
The Guardians recalled Peterson from Triple-A Columbus on Sunday, Roundtable.io reports.
Craig Yoho was demoted after allowing two runs in just one-third of an inning Saturday, and it will be Peterson who takes Yoho's spot in the Cleveland bullpen. Peterson has made just one appearance for the Guardians to date, tossing two scoreless innings with three strikeouts against Detroit in his major-league debut back on Sept. 5. The right-hander turned in a 4.41 ERA, 1.41 WHIP and 107:38 K:BB over 102 innings with Columbus this season.
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Tayron Guerrero RP | BOS
Red Sox's Tyron Guerrero: Lands on injured list
The Red Sox placed Guerrero on the 15-day injured list Sunday, retroactive to Sept. 24, with a right shoulder strain.
Guerrero missed most of September with right shoulder inflammation before returning to the active roster Sept. 20. He's now dealing with more shoulder trouble, and it's uncertain if he might be able to return in October should the Red Sox advance deep in the playoffs. Guerrero has been a reliable arm for Boston this season, posting a 3.10 ERA and 1.11 WHIP with 18 holds across 40.2 innings (40 appearances).
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Wyatt Olds RP | BOS
Red Sox's Wyatt Olds: Summoned to big club
The Red Sox recalled Olds from Triple-A Worcester on Sunday.
Olds will return to bolster the Boston bullpen on the final day of the regular season. The right-hander has made 13 appearances out of the Red Sox's bullpen this year in his first taste of the majors, posting an impressive 1.20 ERA, 1.20 WHIP and 20:7 K:BB in 15 innings.
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Jesse Scholtens RP | TB
Rays' Jesse Scholtens: Returns to majors
The Rays recalled Scholtens from Triple-A Durham on Sunday.
After spending the past five-plus weeks in the minors, Scholtens will return for the final day of the regular season, replacing Ty Johnson in the Rays' bullpen. Scholtens has been serviceable in 11 appearances (two starts) with Tampa Bay this season, posting a 4.03 ERA, 1.34 WHIP and 34:14 K:BB in 44.2 innings, though he doesn't figure to be part of the playoff roster.
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Ty Johnson RP | TB
Rays' Ty Johnson: Optioned to minors
The Rays optioned Johnson to Triple-A Durham on Sunday.
Johnson was swapped out for a fresh arm in Jesse Scholtens after making his first eight career MLB appearances in September. While the strikeout punch Johnson showed in the minors carried over to his first stint in the majors, he may need more time back on the farm to begin 2027 before taking on a more permanent role in Tampa Bay.
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Seth Johnson RP | ATH
Athletics' Seth Johnson: Serving as opener Sunday
Johnson will serve as the Athletics' opening pitcher for Sunday's game against the Astros, Martin Gallegos of MLB.com reports.
Sunday is Brady Basso's turn in the rotation, so the Athletics may look to use him in bulk relief once Johnson exits the contest. Johnson has worked exclusively as a reliever this season between stops in the big leagues with the Phillies and Athletics, maxing out at 2.2 innings and 50 pitches over his 27 appearances.
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Jack Perkins RP | ATH
Athletics' Jack Perkins: Tagged for three homers in loss
Perkins (3-13) allowed six runs on five hits and three walks while striking out nine over five innings to take the loss versus the Astros on Saturday.
Perkins had largely put together a decent stretch run, but his season will end on a sour note. He gave up three home runs in this outing, accounting for all six of the runs on his line. Perkins ends 2026 with a 6.10 ERA, 1.45 WHIP and 140:51 K:BB over 121 innings across 37 games (17 starts). He was a bit worse with a 6.75 ERA as a starter, though having a hitter-friendly home park certainly doesn't help.
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Jacob Waguespack RP | DET
Tigers' Jacob Waguespack: Earns win in relief Saturday
Waguespack (2-2) tossed 1.1 scoreless innings of relief to earn the win in Saturday's 4-3 victory over the Pirates. He allowed two hits and struck out two.
In the final start of Justin Verlander's legendary career, it was Waguespack who earned the win out of the bullpen when Eduardo Valencia walked things off with a two-run home run in the bottom of the ninth inning. Waguespack has quietly put together a strong season with a 2.49 ERA and 0.91 WHIP across 47 innings, though he's only struck out 35 batters. A lack of overpowering stuff will likely keep the righty in a middle-relief role heading into next year, though he's certainly done well in his first MLB action since 2024 after bouncing around the minors in 2025.