Scouting Report: Isaac Mattson
Pittsburgh Pirates | RP
Overall
Summary
Isaac Mattson is a relief pitcher for the Pittsburgh Pirates who had built a strong reputation with 15 consecutive scoreless appearances before struggling. On May 11, 2026, while holding a two-run lead in the sixth inning against the Giants, Mattson allowed two earned runs on three doubles (by Devers, Ramos, and Chapman), contributing to a 7-6 loss. This represents a significant letdown after his earlier strong performance and raises concerns about the Pirates' bullpen reliability.
Strengths
- 15 consecutive scoreless appearances prior to recent struggles
- High level of belief from Pirates management in his abilities
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