As the MLB trade deadline approaches, the most prominent candidates for trades typically include players who are nearing free agency and showcasing strong performances on teams that have fallen out of contention. These players, commonly referred to as 'rentals,' are anticipated to contribute significantly to contenders while enhancing their market value ahead of free agency. Notable rentals traded last summer included Jack Flaherty 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 ranks the top 25 rental players expected to be available in the 2025 MLB trade market, emphasizing their current performance, projected impact, remaining club control, and the likelihood of being traded.

Before delving into the top 25, let us consider some honorable mentions—which provide a broader understanding of available talent likely to be on the move at the trade deadline. Jarren Duran, Mitch Keller, Tyler Anderson (LAARP), Jalen Beeks (ARISP), Aaron Civale (CWSSP), Zach Eflin (BALSP), Erick Fedde (STLSP), Austin Gomber (COLSP), Andrew Heaney (PITSP), Kyle Hendricks (LAARP), Raisel Iglesias (ATLRP), Jakob Junis (CLESP), Michael Lorenzen (KCSP), Germán Márquez (COLRP), Steven Matz (STLRP), Rafael Montero (ATLSP), Charlie Morton (BALSP), Chris Paddack (MINSP), and Tomoyuki Sugano (BAL). Position players to watch include Yoán Moncada (LAAOF), Tommy Pham (PITIF), Luis Rengifo (LAAIF/OF), Amed Rosario (WAS1B), Carlos Santana (CLEOF), Lane Thomas (CLE2B), and Luis Urías (ATHIF).

Starting with the list, at number 25 is Shelby Miller of the Arizona Diamondbacks. Acquired for a mere $1 million during the offseason, the 34-year-old right-hander boasts an impressive 1.98 ERA, 0.96 WHIP, and 9.9 strikeouts per nine innings, alongside 10 saves in 37 appearances. Despite a forearm strain that placed him on the injured list in early July, Miller's performances solidify his desirability as a rental if he can regain his health. Following Miller, at number 24 is Michael Lorenzen of the Kansas City Royals, who has a solid track record of deadline trades. In 2024, he recorded a 1.57 ERA in 28.2 innings with the Royals. Though this season, with a 4.61 ERA and an oblique strain keeping him sidelined since July 6, interest in him remains contingent upon recovery. Coming in at number 23 is Cedric Mullins from the Baltimore Orioles, who started the season strong but has since seen a decline with a .180 batting average since May. That said, his combination of power and speed still makes him an attractive trade candidate. Josh Bell of the Washington Nationals ranks 22nd, recognized for consistent power and production with a commendable performance in July that could enhance his trade value. Charlie Morton, with his invaluable playoff experience, is ranked 21st despite a challenging start to the season, having rebounded in recent appearances. Additionally, Gregory Soto and Seranthony Domínguez, both of the Orioles, display compelling credentials as lefty relievers in demand. Further down the list are key players like Kenley Jansen of the Los Angeles Angels, showing effectiveness as an experienced closer, and Isiah Kiner-Falefa of the Pittsburgh Pirates, known for defensive versatility.