JD
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Scouting Report
Updated May 20, 2026
Jhonathan Diaz is a left-handed pitcher who was signed by the Seattle Mariners on a minor-league deal in February 2026. He was reassigned to minor league camp in March. Limited information available on his 2026 performance, but he appears to be competing for roster spots in the minor league system. The sources primarily focus on other players named Edwin Diaz (Dodgers closer) and Yainer Diaz (Astros catcher), creating some confusion in the available data.
Strengths
- + Signed to professional contract with MLB organization
- + Left-handed pitcher (valuable commodity)
- + Still in development phase with opportunity to progress
Weaknesses
- - Reassigned to minor league camp early in 2026 season
- - Limited playing time and opportunities at MLB level
- - Competing in crowded minor league system
- - No clear path to MLB roster established
Injury Status: IL-60
About
Jhonathan Diaz is a sp for the Seattle Mariners.
Player Overview
Position
SP
Team
Seattle Mariners