With the 2025 MLB Trade Deadline officially concluded, it’s finally time to assess acquisitions made by teams in an effort to either compete in the postseason or rebuild their roster for future seasons. While some transactions will take time to properly evaluate, many significant moves will have instant impacts on the landscape of the 2025 MLB season.
Addition(s): Leo De Vries, Braden Nett, Henry Baez, Eduarniel Núñez, Kenya Huggins
Departure(s): Mason Miller, JP Sears, Miguel Andujar
As coveted as he was around the league, it seemed that Mason Miller wouldn’t be traded until the night before the trade deadline, where he was made unavailable to pitch for “unknown” reasons. In typical AJ Preller fashion, the Padres’ General Manager emptied the farm system for a big-time acquisition.
The A’s likely wanted to keep Miller, but San Diego offered an enormous package of prospects for their closer, including arguably the best prospect in baseball, Leo De Vries. Despite getting worse in 2025, the A’s instantly became one of the winners of the trade deadline and established one of the best young cores in baseball.
Addition(s): Eugenio Suárez, Josh Naylor, Caleb Ferguson
Departure(s): Tyler Locklear, Hunter Cranton, Juan Burgos, Brandyn Garcia, Ashton Izzi, Jeter Martinez
With the Mariners being in desperate need of offensive upgrades to match their dominant pitching staff, this was finally the year they made significant acquisitions to do so. Despite acquiring Naylor from Arizona multiple days before the deadline, they stayed aggressive in acquiring Suárez in a separate deal without giving up significant prospect capital for either. Seattle solidified the top half of their lineup in a span of a few days, putting itself in a position to contend in the American League.
Addition(s): Jhoan Duran, Harrison Bader, Matt Manning
Departure(s): Mick Abel, Eduardo Tait, Hendry Mendez, Geremy Villoria, Josueth Quinonez
The Phillies were seeking bullpen help and a starting outfielder in yet another trade deadline, and successfully addressed both needs. Despite having multiple bidders, they were able to land arguably the top closer on the market in Duran without giving up top pitching prospect Andrew Painter.
Duran immediately comes in as the 9th-inning closer for Philadelphia, solidifying their bullpen. Along with this, they made a sneaky addition in Harrison Bader, taking advantage of the Twins’ fire sale. Finally, they added to their pitching depth with Matt Manning, a modest addition to their collection of arms for the stretch run. Ultimately, the Phillies addressed their biggest needs and kept their farm system intact.
Addition(s): Ryan Hesley, Cedric Mullins, Tyler Rogers, Gregory Soto
Departure(s): Jesus Baez, Nate Dohm, Frank Elissalt, José Butto, Drew Gilbert, Blade Tidwell, Wellington Aracena, Cameron Foster, Raimon Gómez, Chandler Marsh, Anthony Nunez
While baseball analysts have mixed opinions on rental additions at the trade deadline, it’s hard not to justify the four rentals the Mets acquired. They completely solidified their bullpen with additions of Hesley, Rogers, and Soto, as well as adding their much-needed center fielder in Mullins. While the Rogers deal looks like an overpay on paper, their other three additions came at affordable prices. Overall, the Mets not only addressed their positions of need but also went above and beyond in doing so. With the depth they now have in their bullpen, New York has a roster built for October baseball.
Addition(s): Ryan McMahon, David Bednar, Camilo Doval, Jake Bird, Amed Rosario, Jose Caballero, Austin Slater
Departure(s): Oswald Peraza, Carlos Carrasco, Roc Riggio, Ben Shields, Rafael Flores, Edgleen Perez, Brian Sanchez, Jesus Rodriguez, Trystan Vrieling, Parks Harber, Carlos De La Rosa, Griffin Herring, Josh Grosz, Clayton Beeter, Browm Martinez, Everson Pereira, Gage Ziehl, Wilberson De Pena
Amid an extended disastrous stretch of undisciplined baseball, General Manager Brian Cashman operated with a sense of urgency at the deadline as losses piled up for New York. Despite abysmal debuts, the Yankees added multiple reliable backend bullpen options in Bednar and Doval, as well as adding Bird to the middle of the bullpen. They also retooled their infield, adding McMahon as their new everyday third baseman and backup middle infielders in Rosario and Caballero. While it could be argued that they needed a starter, the Yankees’ pitching staff received significant upgrades.
While most of my winners added win-now pieces at the trade deadline, the Athletics also made the list as sellers. The deadline is about capitalizing on your talent and picking a direction, which all of the listed teams did a good job at. While we’ll have to wait and see how these moves pan out, it’s hard to argue with the thought processes these front offices implemented.
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