JM
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Scouting Report
Updated May 19, 2026
Justin Martinez, 24-year-old Arizona Diamondbacks closer, underwent Tommy John surgery following an elbow injury sustained on June 9, 2025. He recently completed his first bullpen session post-surgery and demonstrated encouraging velocity, with his fastball sitting in the upper-90s and reaching 99 MPH. Expected return is late August 2026. This is a positive sign for his recovery trajectory despite the lengthy rehabilitation process ahead.
Strengths
- + Fastball velocity already in upper-90s on first bullpen session
- + Reached 99 MPH demonstrating arm strength recovery
- + Young age (24) aids recovery prospects
- + Successful Tommy John surgery completion
- + Clear recovery milestones being achieved on schedule
- + Velocity expected to improve further with continued work
Weaknesses
- - Long-term absence due to Tommy John surgery
- - Not expected to return until late August 2026
- - Lengthy rehabilitation process still ahead
- - Multiple bullpen sessions required before return
- - Elbow injury is significant setback for closer role
Injury Status: IL-60
About
J.D. Martinez is a designated hitter for the Chicago Cubs.
Player Overview
Position
DH
Team
Chicago Cubs