Biography

BIOGRAPHY

Justin Martinez was born July 30, 2001, in Bonao, Dominican Republic. He is a pitcher in the MLB.

Martínez signed with the Arizona Diamondbacks as an international free agent in March 2018. He made his professional debut with the Dominican Summer League Diamondbacks. He underwent Tommy John surgery in 2021 and returned from the injury in the middle of the 2022 season. After returning, Martínez played in the Arizona Fall League, making it to the league's all-star game in November. On November 15, 2022, the Diamondbacks added Martínez to their 40-man roster to protect him from the Rule 5 draft.

Martínez was optioned to the Triple-A Reno Aces to begin the 2023 season. In 25 games for the Triple–A Reno Aces, he posted a 4.18 ERA with 38 strikeouts and 5 saves in 28.0 innings of work. On June 27, 2023, Martínez was promoted to the major leagues for the first time. He went unused out of the bullpen and was optioned back to Reno on June 29, becoming a phantom ballplayer. He was promoted for a second time on July 7, making his MLB debut the same day, allowing two runs in one inning against the Pittsburgh Pirates.