September Call-Ups to Watch: 10 Prospects Who Could Shape MLB Playoff Push
The article highlights 10 minor leaguers who could be called up in September and impact playoff races. It features Boston's Franklin Arias, who has improved his offense and could fill in at shortstop, and Miami's Cam Cannarella, a speedy outfielder with strong hitting numbers. These additions could provide a boost for contending teams down the stretch.
The shift to a 28-man roster in September, rather than the old 40-man free-for-all, makes each call-up slot more valuable for contenders. As the article notes, last year’s additions Trey Yesavage and Connelly Early both started playoff games after arriving this way, showing that these two extra spots can directly influence October outcomes. Boston’s Franklin Arias has seen his slugging jump 176 points while moving up levels, and he’s already taking reps at second base to increase his flexibility. Miami’s Cam Cannarella, a 2025 first-rounder, has maintained a strong walk rate at Triple-A, and the Marlins’ recent outfield struggles—with Owen Caissie and Esteury Ruiz both striking out over 30 percent of the time in August—open a clear lane for him.
These September promotions could subtly reshape playoff races, giving contending teams fresh legs and specific skill sets—like speed or defensive range—at a moment when fatigue and injuries often decide close games. For fans, the arrivals add late-season drama and a glimpse of future rosters. For players, a strong month can cement a postseason roster spot or a 2027 role. The impact is mostly contained to baseball’s competitive sphere, though it may also influence ticket sales and broadcast interest in September, as casual viewers tune in to see new names.