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Luke Weaver RP | PIT
Pirates' Luke Weaver: Dealt to Bucs
The Pirates acquired Weaver and cash considerations from the Mets on Monday in exchange for shortstop Sammy Stafura, Jorge Castillo of ESPN.com reports.
Weaver receives a potentially big boost in fantasy value with a move to Pittsburgh, where he could be the favorite to serve as the Pirates' closer. The righty reliever has posted a 1.84 ERA and 45:11 K:BB over 44 innings this season for the Mets. Weaver is under contract for 2027 as well, with a salary of $12.5 million.
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Jacob Kisting RP | MIA
Marlins' Jacob Kisting: Acquired by Marlins
The Marlins acquired Kisting and infielders Brayden Taylor and Adrian Santana from the Rays on Monday in exchange for catcher Liam Hicks, Joel Sherman of the New York Post reports.
Kisting, 23, has logged an impressive 1.67 ERA and 96:18 K:BB over 86 innings with High-A Bowling Green this season. It's the second time since last offseason that Kisting has been traded, as he went from the Twins to the Rays in November in exchange for right-hander Eric Orze.
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JoJo Romero RP | MIL
Cardinals' JoJo Romero: Expected back by mid-August
Romero (abdomen) has resumed light baseball activities and is expected to rejoin the active roster by mid-August, Derrick Goold of the St. Louis Post-Dispatch reports.
Romero underwent an emergency appendectomy in mid-July. The impending free agent is a trade candidate and could still be dealt before Monday's deadline even though he will not be available to pitch for more than a week. Romero has authored a 3.35 ERA and 43:16 K:BB over 43 innings this season.
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Nolan Hoffman RP | KC
Phillies' Nolan Hoffman: Booted off 40-man roster
The Phillies designated Hoffman for assignment Monday.
The move frees up a spot on the 40-man roster for left-hander Brooks Raley, who was acquired in a trade with the Mets on Monday. Hoffman has spent nearly all of the 2026 season at Triple-A Lehigh Valley, where he's logged a 4.72 ERA and 40:18 K:BB over 34.1 innings.
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Dylan Dodd RP | ATL
Braves' Dylan Dodd: Pockets third win
Dodd (3-1) picked up the win Sunday over the Nationals, striking out one in a perfect inning of relief.
The southpaw took the mound for the fifth with the score tied 2-2 after starter JR Ritchie had lasted four innings, and Dodd was the pitcher of record when Atlanta took the lead for good in the bottom of the frame. Dodd has moved into a higher-leverage role since the beginning of July, posting a 1.42 ERA, 0.63 WHIP and 13:3 K:BB over 12.2 innings and 13 appearances while collecting all three of his wins and six of his seven holds on the year.
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Chayce McDermott RP | NYM
Mets' Chayce McDermott: Joins Mets via trade
The Mets acquired McDermott from the Dodgers on Monday in exchange for Ben Rortvedt, Aram Leighton of JustBaseball.com reports.
McDermott had been booted off the Dodgers' 40-man roster last week. The 27-year-old has spent nearly all of the 2026 season at the Triple-A level, logging a 4.55 ERA and 52:26 K:BB over 31.2 frames. McDermott -- who has permitted 20 runs over 15 innings during his brief time at the major-league level -- will report to the big-league club.
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Brent Suter RP | ATL
Braves' Brent Suter: Lands with Atlanta
Atlanta acquired Suter from the Angels on Monday in exchange for infielder Nacho Alvarez, Jeff Passan of ESPN.com reports.
In 41 appearances for the Angels this season, Suter has put up a 4.12 ERA, 1.26 WHIP and 55:17 K:BB over 63.1 innings. The veteran left-hander offers Atlanta a versatile bullpen arm capable of covering multiple innings. Suter has recorded more than three outs in 20 of his 41 outings in 2026.
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Caleb Kilian RP | PHI
Phillies' Caleb Kilian: Sent to Philadelphia in trade
The Phillies acquired Kilian and Luis Arraez from the Giants on Monday in exchange for Ramon Marquez and Marty Gair, Jayson Stark of The Athletic reports.
Kilian has had a breakout season out of the San Francisco bullpen, posting a 4.26 ERA and 53:20 K:BB over 44.1 innings, logging eight saves in the process. He's 29 and has a lengthy injury history, but the Phillies will bet on Kilian being a quality setup man for them down the stretch.
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Brooks Raley RP | PHI
Phillies' Brooks Raley: Shipped to Philadelphia in trade
The Phillies acquired Raley from the Mets on Monday in exchange for outfielder John Spikerman and right-hander Luke Gabrysh, Will Sammon of The Athletic reports.
Raley will provide another quality late-inning arm to the Phillies bullpen. The left-handed reliever has put up a 1.96 ERA and 40:15 K:BB over 41.1 innings for the Mets in 2026. Raley is set to reach free agency after the season.
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Zach Franklin RP | NYM
Mets' Zach Franklin: Shipped out to Mets
The Mets acquired Franklin and right-hander Gabe Davis from the White Sox on Monday in exchange for right-hander Huascar Brazoban, Ken Rosenthal of The Athletic reports.
The 22-year-old Davis is regarded as a superior prospect to Franklin, a 27-year-old righty reliever who's still waiting to make his big-league debut. Franklin has racked up 60 strikeouts over 45.1 innings at Triple-A this season, but he's struggled to keep the ball in the yard with 11 home runs allowed. He's expected to report to the Mets' top affiliate in Syracuse.