In Major League Baseball (MLB), key trade candidates often emerge as the trade deadline approaches, particularly from players set to enter free agency and who are excelling on teams that are no longer in playoff contention. These players, commonly labeled as 'rentals,' typically join new teams for a few months before hitting the open market, significantly benefiting contenders while enhancing their own market value. Notable rental players that changed teams last season included Jack Flaherty, who moved from the Detroit Tigers to the Los Angeles Dodgers, Yusei Kikuchi from the Toronto Blue Jays to the Houston Astros, Tanner Scott from the Miami Marlins to the San Diego Padres, Carlos Estévez from the Los Angeles Angels to the Philadelphia Phillies, and Jesse Winker from the Washington Nationals to the New York Mets. This article will rank the top 25 rentals on the 2025 trade market, considering factors like current performance, anticipated impact, remaining club control, and the probability of being traded.

To provide a comprehensive overview of the potential movers, several honorable mentions are worth noting. Among the pitchers are Tyler Anderson of the Los Angeles Angels, Jalen Beeks from the Tampa Bay Rays, Aaron Civale of the Cleveland Guardians, Zach Eflin from the Baltimore Orioles, and Michael Lorenzen of the Kansas City Royals. In the hitting department, notable names include Yoán Moncada from the Los Angeles Angels, Tommy Pham of the Pittsburgh Pirates, and Carlos Santana from the Cleveland Guardians.

The player rankings begin with 25-year-old relief pitcher Shelby Miller from the Arizona Diamondbacks, who has enjoyed a successful season, boasting a 1.98 ERA and 10 saves, though his recent injury complications raise some concerns for prospective teams. Following him is starting pitcher Michael Lorenzen of the Kansas City Royals, who has had a solid yet injury-affected season with a 4.61 ERA. Baltimore Orioles center fielder Cedric Mullins has returned to less effective form after a hot start, while designated hitter Josh Bell from the Washington Nationals has maintained decent offensive numbers. Other names include longtime starter Charlie Morton, who has rebounded after a rocky start, Gregory Soto and Seranthony Domínguez, both valuable bullpen arms from the Orioles, and All-Star Kyle Finnegan, who has also been a consistent reliever for the Nationals amid a few blown saves this season.