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Scouting Report
Updated May 19, 2026
Justin Martinez, 24-year-old Arizona Diamondbacks closer, underwent Tommy John surgery in June 2025 after suffering an elbow injury. As of May 2026, he has begun his recovery with his first bullpen session at Salt River Fields. His fastball velocity is encouraging, sitting in the 96-99 mph range (upper-90s to 99 MPH) during his initial bullpen, demonstrating that his elite velocity has returned post-surgery. Manager Torey Lovullo described the session as "electric." Martinez is expected to require approximately 15 bullpen sessions before beginning a minor-league rehab assignment, with a potential return targeted for late August 2026. The recovery timeline indicates he will miss the remainder of the 2025 season and most of the 2026 season.
Strengths
- + Fastball velocity returned to elite range (96-99 mph) in first bullpen session
- + Manager described performance as 'electric'
- + Early signs of successful Tommy John surgery recovery
- + Young age (24) suggests good recovery potential
- + Flamethrowing closer with proven elite stuff pre-injury
Weaknesses
- - Currently on 60-day injured list post-Tommy John surgery
- - Long recovery timeline - targeting late August 2026 return
- - Will miss entire remainder of 2025 season and majority of 2026 season
- - Requires approximately 15 bullpen sessions before rehab assignment
- - Second Tommy John surgery mentioned in reports, indicating previous arm issues
Injury Status: IL-60
About
Daniel Martinez is a sp for the Chicago Cubs.
Player Overview
SP
Chicago Cubs