The Pittsburgh Pirates have successfully re-signed right-handed pitcher Isaac Mattson for the 2025 season, as announced by Mattson on his Instagram. The deal is classified as a minor league contract following his free agency election on November 4.

Mattson, who had a standout high school career and played college baseball at Pitt, has had a varied journey through the MLB and minor leagues, including stints with the Los Angeles Angels and Baltimore Orioles. He made a brief return to the majors with the Pirates in 2024, showcasing his potential with a solid performance.