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Scouting Report
Updated May 19, 2026
Sonny Gray, 36-year-old right-handed pitcher for the Boston Red Sox, was placed on the 15-day IL with a right hamstring strain after leaving his April 20 start against Detroit in the third inning. He successfully completed rehab including bullpen sessions and a simulated game, and was reinstated from the IL to return to the rotation. Through early May, Gray posted a 4-1 record with a 3.18 ERA and 21:8 K:BB ratio over 34 innings, but underlying metrics reveal concerning regression indicators with an xERA of 5.16 and FIP of 4.18, suggesting his ERA is being aided by favorable BABIP (.285) and high LOB% (78.5%). Gray is performing well on the surface but faces potential performance regression as the season progresses.
Strengths
- + Successful return from hamstring injury
- + 4-1 record with 3.18 ERA through early May
- + Strong K:BB ratio of 21:8
- + Three-time All-Star with veteran experience
- + Completed full rehab protocol without setbacks
- + Limiting opposing hitters effectively (1 run on 2 hits vs Phillies)
- + Helping Red Sox break losing streaks
Weaknesses
- - Expected ERA (xERA) of 5.16 significantly higher than actual 3.18 ERA
- - FIP of 4.18 above league average
- - High BABIP (.285) indicating luck in play results
- - Elevated LOB% (78.5%) unsustainable long-term
- - Age 36 with recent hamstring injury
- - Initial 4.30 ERA through first five starts before injury
- - Underlying metrics suggest imminent regression
- - Red Sox pitching staff ranked in bottom half of league ERA
Injury Status: day-to-day
About
Jon Gray is a sp for the Chicago Cubs.
Player Overview
SP
Chicago Cubs