| Arizona Diamondbacks | Buyer | B- | Added Lars Nootbaar, a useful two-way outfielder for a team still in the NL Wild Card race. The move helps but does not transform the pitching staff. |
| Atlanta Braves | Buyer | B | Added Tyler Mahle, Lane Thomas, Bailey Falter and Brent Suter. Atlanta strengthened rotation depth and bench balance without paying for a single headline star. |
| Baltimore Orioles | Seller | D+ now / A future | Moved Rutschman, Ward, Wells, Kremer and Rogers. The prospect return is substantial, but Baltimore made the 2026 path far narrower. |
| Boston Red Sox | Buyer | A | Rutschman addresses a bottom-tier catching offense and adds a switch-hitting centerpiece. Rogers protects the position while Rutschman's wrist completes its return. |
| Chicago Cubs | Buyer | A | Gausman, Holmes, Garrett, Zeferjahn and Civale create rotation and bullpen redundancy. Taylor adds defense and a right-handed bench option. |
| Chicago White Sox | Buyer | A- | Castillo fronts a deeper staff, Doyle upgrades center-field run prevention, and Brazoban, Bart and Urquidy raise the floor across three units. |
| Cincinnati Reds | Mixed | C+ | Added Juan Brito and international bonus money but traded Nathaniel Lowe. The deadline did not materially change a difficult 2026 position. |
| Cleveland Guardians | Buyer | B+ | Jo Adell and Nathaniel Lowe add needed power while Foster Griffin supplies innings. Cleveland made a coherent push without mortgaging the system. |
| Colorado Rockies | Seller | B future | Turned Doyle, Vodnik, Senzatela and Halvorsen into a large package of young players. The current roster is weaker, as a seller's should be. |
| Detroit Tigers | Seller | D now / A- future | The Skubal and Mize returns rebuild the next core, but Detroit removed the most valuable part of a club whose run differential suggested more ability than its record. |
| Houston Astros | Buyer | B | Daulton Varsho adds power and premium outfield defense. Trading Arrighetti hurts rotation depth, but Houston chose a direct everyday upgrade. |
| Kansas City Royals | Mixed | C | Added Nolan Hoffman and acquired prospect depth for Bubic while moving Mahle's return pieces. The deadline reflected a club focused more on 2027. |
| Los Angeles Angels | Seller | A future | Arjun Nimmala headlines a strong prospect haul for Soriano, while the club also moved Adell, Suter, Yates and other pieces. The present roster around Mike Trout is thinner. |
| Los Angeles Dodgers | Buyer | A+ | Skubal is the deadline's most consequential player. Bubic and Halvorsen give the pitching staff additional ways to cover health and workload uncertainty. |
| Miami Marlins | Mixed | B | Added Brayden Taylor and several prospects for Hicks, while also acquiring Victor Vodnik and moving Garrett. Miami improved future value without fully abandoning the current roster. |
| Milwaukee Brewers | Buyer | B- | May, Romero, McCullers, Naylor and multiple depth arms make the roster sturdier. The concern is that no addition matches the October leverage of Skubal or Rutschman. |
| Minnesota Twins | Buyer | B+ | Hoffman and Minter reshape the late innings; Kremer adds stable starts. The deadline gives a .500-level club a legitimate chance to outperform its run differential. |
| New York Mets | Seller | A future / D now | Peralta, Holmes, Raley, Minter, Taylor and Weaver produced a premium prospect return. The organization made a disciplined reset, but the 2026 roster lost major depth. |
| New York Yankees | Buyer | C | Ramos and Garcia improve lineup flexibility, but the Yankees did not match the pitching or catching impact added by their closest AL rivals. |
| Athletics | Mixed | B- | Added Seth Johnson and Aiden Moffett, plus veteran Scott Blewett, while moving Civale and Thomas. The moves fit a development-first club. |
| Philadelphia Phillies | Buyer | A- | Arraez can lift a poor team OBP and Raley strengthens leverage relief. The new defensive alignment is the trade-off to monitor. |
| Pittsburgh Pirates | Buyer | B+ | Doval, Weaver, Yates, Marinaccio and Bachar deepen the bullpen for a club with a positive run differential and a plausible Wild Card path. |
| San Diego Padres | Buyer | A | Ray and Mize address the roster's clearest weakness. The prospect cost is large and both are rentals, but the postseason ceiling changed immediately. |
| San Francisco Giants | Seller | A future | Marcelo Mayer is the centerpiece of an excellent prospect return that also includes several young arms and position players. The 2026 roster was intentionally stripped down. |
| Seattle Mariners | Mixed | C | Ward improves the lineup, but Castillo's departure weakens the rotation. Seattle made a value trade rather than a clean push. |
| St. Louis Cardinals | Seller | B | Moved Nootbaar, May, Romero and Ferguson for younger pitching and prospect value. The current club is worse, but the direction is understandable. |
| Tampa Bay Rays | Buyer | A- | Peralta adds strikeout upside to the AL's best record; Wells, Hicks and Suwinski add practical depth. Peralta's recent volatility keeps the grade below elite. |
| Texas Rangers | Mixed | C | Added Adam Macko while moving Josh Smith and Josh Stephan. The deadline did little to rescue a club that entered August below .500. |
| Toronto Blue Jays | Retool | B | Added Jose Soriano, Spencer Arrighetti, Josh Smith, Josh Stephan and Jameson Taillon while moving veteran value. Toronto built a bridge rather than surrendering the next two seasons. |
| Washington Nationals | Mixed | B | Added Josh Hartle, Will Dion, Kendeglys Virguez, Nick Mitchell, Joe Glassey and Connelly Early while moving several veterans. The future pitching inventory improved. |
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