Mendez was optioned to Double-A San Antonio on Thursday.
Mendez made two appearances with the Padres during spring training, giving up six runs on five hits and four walks while striking out three batters over two innings. The right-handed pitcher is one of San Diego's top prospects, but he'll need some time in the minor leagues to refine his craft before potentially getting a shot with the big-league squad.
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Padres' Miguel Mendez: Joins 40-man roster
Rotowire
The Padres selected Mendez's contract from Double-A San Antonio on Tuesday.
The right-hander is one of San Diego's top prospects, so his addition to the 40-man roster was to be expected ahead of the Rule 5 Draft. Mendez posted a 1.78 ERA and 11.2 K/9 over 75.2 frames in the lower minors during 2025 but surrendered 20 earned runs over six late-season starts after being promoted to Double-A.
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Padres' Miguel Mendez: Struggling since promotion
Rotowire
Mendez has a 7.88 ERA, 1.75 WHIP and 22:14 K:BB in 16 innings across four starts for Double-A San Antonio.
In a system that has been ravaged by trades, Mendez is one of the most talented prospects remaining, despite his poor results since getting promoted to Double-A on Aug. 1. The skinny 6-foot-2 righty's fastball regularly touches triple digits and he has one of the best sliders in the minors, but poor control may push him to relief eventually. Mendez, who turned 23 in July, logged a 1.32 ERA, 1.01 WHIP and 70:24 K:BB in 61.1 innings at High-A Fort Wayne earlier this season.
