Top 10 MLB Trades That Changed the 2025 Season

Cover Photo Courtesy of NBC Sports

The 2025 MLB Trade Deadline came and went, but its ripple effect is still being felt across the league. Contenders made power moves, prospects were swapped like currency, and struggling teams hit the reset button for the future.

From blockbuster deals to underrated steals, here are the Top 10 trades that reshaped the 2025 Major League Baseball season.

1.  Padres Land Mason Miller & J.P. Sears

• To Padres: Mason Miller (RHP), J.P. Sears (LHP)

• To A’s: Leo De Vries (SS, No. 3 overall prospect), two pitching prospects

San Diego went all-in for October, acquiring electric closer Mason Miller and versatile lefty Sears. It cost them Leo De Vries—arguably the best prospect traded in years—but they’re betting big on this bullpen winning a title.

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2. Astros Reunite with Carlos Correa

• To Astros: Carlos Correa (SS)

• To Twins: Package of prospects + cash relief

In a move that shocked the league, Houston brought back their former franchise shortstop. Correa’s bat and leadership have already given the Astros a jolt—and if they win the AL West, this will be a big reason why.

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3. Yankees Reload Bullpen with Bednar, Doval & Bird

• To Yankees: David Bednar, Camilo Doval, Jake Bird

• To Pirates/Giants/Rockies: Multiple prospects + international bonus pool money

Brian Cashman got aggressive, overhauling the Yankees’ bullpen with three flamethrowers. The Yankees suddenly have one of the nastiest late-inning units in baseball.

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4. Mariners Bring Back Eugenio Suárez

• To Mariners: Eugenio Suárez (3B)

• To D-backs: Tyler Locklear, 2 pitching prospects

Seattle needed power, and Suárez delivered. He’s already mashed multiple clutch home runs and fits right in with the Mariners’ blue-collar energy.

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5. Mets Add Cedric Mullins to Spark Offense

• To Mets: Cedric Mullins (OF)

• To Orioles: Two mid-level pitching prospects

New York needed speed and energy atop the lineup—and Mullins gives them both. He’s swiping bags, getting on base, and stabilizing center field defensively.

6. Dodgers Trade for Shane Bieber

• To Dodgers: Shane Bieber (RHP)

• To Guardians: No. 7 prospect + MLB-ready reliever

Los Angeles shored up their rotation with a former Cy Young winner. Bieber may not be peak-2020 form, but he brings big-game experience and innings—exactly what the Dodgers needed down the stretch.

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7. Red Sox Steal Taylor Ward from Angels

• To Red Sox: Taylor Ward (OF)

• To Angels: Infield prospect + future draft pick

Ward has quietly become one of the most productive bats in Boston’s lineup. This low-key move is already paying big dividends for the Sox.

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8. Braves Acquire Paul Sewald

• To Braves: Paul Sewald (RHP, closer)

• To D-backs: Upper-tier minor league pitcher

Atlanta didn’t need to do much, but they added another reliable closer-type arm for October. When you’re this good, it’s about small refinements—not overhauls.

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9. Blue Jays Move on from Bo Bichette

• To Cardinals: Bo Bichette (SS)

• To Blue Jays: Nolan Gorman, two Top-100 prospects

This was the most surprising deal of the deadline. The Jays flipped their franchise shortstop after a down year and got back elite power and future talent. It’s a shake-up for both sides.

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10. Cubs Deal for Elias Díaz

• To Cubs: Elias Díaz (C)

• To Rockies: Depth pitcher + PTBNL

The Cubs’ catching situation needed stability, and Díaz brings veteran leadership and pop. It’s not flashy—but it’s exactly what Chicago needed.