Scouting Report: John Curtiss
Arizona Diamondbacks | RP
C
Overall
Summary
John Curtiss, a veteran right-handed reliever, was released by the Arizona Diamondbacks from his minor league contract with the Reno Aces in May 2026. Despite appearing in 30 major league games in 2025 with a 3.93 ERA, the Diamondbacks made the decision to release him despite him being considered one of the better depth options available. His underlying metrics (4.01 FIP, 4.28 xERA) suggest his performance was solid but not outstanding.
Strengths
- Appeared in 30 major league games for Diamondbacks in 2025
- Posted above-average 3.93 ERA in 2025 season
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