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Adam Macko RP | TEX
Rangers' Adam Macko: Relegated to Round Rock
The Rangers optioned Macko to Triple-A Round Rock on Saturday.
Macko has coughed up seven runs (six earned) in just 6.2 innings since joining the big club Aug. 28. His poor performance will end up costing him a spot in the Rangers' bullpen as the team makes room for Nathan Eovaldi's (elbow) return from the injured list.
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Jeremiah Estrada RP | SD
Padres' Jeremiah Estrada: May be done for season
Estrada (shoulder) hadn't resumed throwing as of Sept. 8, and he may not be able to return from the injured list before the end of the campaign, MLB.com reports.
Estrada has been on the IL three different times this season, with his latest stint coming as the result of a right shoulder impingement. Though the righty reliever has been rehabbing in Arizona, the fact that he's yet to resume throwing suggests that he's not certain to pitch again this season. Estrada had been a key late-inning asset for the Padres before getting hurt, recording 13 holds and one save while posting a 3.48 ERA and 1.16 WHIP over 31 innings spanning 33 appearances.
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Jason Adam RP | SD
Padres' Jason Adam: Closing in on rehab assignment
Adam (shoulder) could soon begin a minor-league rehab stint with Triple-A El Paso, MLB.com reports.
Adam threw a bullpen session Sept. 7 and faced hitters in Arizona on Sept. 10, setting him up to potentially join El Paso in the coming days. The veteran reliever last pitched for the Padres on June 29, so he may need a couple outings in the minors before rejoining the big-league bullpen. Still, Adam doesn't seem to be far off from full clearance and could be back with San Diego within the next week.
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Matt Waldron RP | WAS
Nationals' Matt Waldron: Moves to 60-day IL
The Nationals transferred Waldron (chest) to the 60-day injured list Saturday.
Waldron landed on the injured list Tuesday with chest inflammation, so his move to the 60-day IL will officially rule him out for the rest of the season. He'll close the book on the 2026 campaign after accumulating a 6.54 ERA and 1.59 WHIP with a 33:11 K:BB across 42.2 innings between San Diego, Toronto and Washington. Chase Hampton was claimed off waivers from the Yankees to fill the open spot on the 40-man roster.
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Michael Grove RP | TB
Rays' Michael Grove: Jettisoned from 40-man
The Rays designated Grove for assignment Saturday.
Grove was sent down to Triple-A on Aug. 13, and he has since surrendered just two earned runs while posting an 11:5 K:BB over 11.1 innings. Despite his recent performance, the Rays will strip him of his 40-man roster spot and award it to Brody Hopkins, who was selected to the major-league roster Saturday.
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Trent Thornton RP | CHC
Cubs' Trent Thornton: Lands on injured list
The Cubs placed Thornton on the 15-day injured list Saturday with left ankle soreness, Patrick Mooney of The Athletic reports.
Thornton has been one of the more reliable members of a shaky Cubs bullpen this season, but his move to the IL will prevent him from pitching in a game until the final day of the regular season. Edward Cabrera (finger) was reinstated from the injured list in a corresponding move and will join Chicago's bullpen to fill the void left by Thornton.
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Richard Lovelady RP | WAS
Nationals' Richard Lovelady: Activated from IL
The Nationals reinstated Lovelady (triceps) from the 60-day injured list Saturday.
A triceps strain has kept Lovelady out since late June, but he began a rehab assignment Sept. 1 and has since allowed three earned runs while striking out four batters and walking one across 5.1 innings. Now fully healthy, he could enter the mix for high-leverage work with team saves leader Clayton Beeter heading back to Triple-A in a corresponding move.
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Erik Tolman RP | WAS
Nationals' Erik Tolman: Collects second save
Tolman gave up a run on a hit and a walk in the ninth inning Friday, recording his second save of the season in a 4-3 win over the Angels. He didn't strike out a batter.
The rookie southpaw wasn't sharp, tossing 15 of 25 pitches for strikes, but Tolman was able to escape with the save. He's been scored upon in three straight appearances but also has the Nationals' only two saves over the last month, and with Clayton Beeter jettisoned to Triple-A, Tolman is nominally the top option for the team in the bullpen. Expect Washington manager Blake Butera to continue auditioning new potential high-leverage options over the final weeks with his focus firmly on 2027.
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Kenley Jansen RP | DET
Tigers' Kenley Jansen: Notches 19th save
Jansen struck out the only batter he faced Friday to record his 19th save of the season in a 6-2 win over the Rockies.
Brant Hurter ran into trouble in the ninth inning, forcing Jansen into the game with two outs and the potential tying run on deck, and the veteran closer got the job done by fanning Connor Norby on just four pitches. Jansen has been mostly dialed in since the All-Star break, and over his last 16.1 innings and 18 appearances he's put together a 2.20 ERA, 1.04 WHIP and 20:9 K:BB with three wins and eight saves.