Justin Martinez is a Dominican professional baseball pitcher for the Arizona Diamondbacks of Major League Baseball, and this tag page collects news, articles, interviews, and updates covering his career. The archive includes coverage of his 2018 signing as an international free agent, his MLB debut on July 7, 2023, against the Pittsburgh Pirates, and his 2024 breakout season with 64 appearances, eight saves, and a 2.48 ERA. It also tracks his five-year, $18 million contract extension agreed to on March 21, 2025, his 2025 season performance, and his placement on the injured list with a right UCL sprain that led to Tommy John surgery on June 13, 2025.
