Martin played college baseball at Quincy University.[1] In his final season with the Hawks he went 9–3 with a 3.55 ERA and struck out 152 batters over 78+2⁄3 innings pitched.[2]
Martin made 47 appearances for Triple-A Iowa in 2025, posting a 6–2 record and 2.69 ERA with 80 strikeouts and four saves across 63+2⁄3 innings pitched. On November 18, 2025, the Cubs added Martin to their 40-man roster to protect him from the Rule 5 draft.[6][7]
Martin was optioned to Triple-A Iowa to begin the 2026 season.[8] The Cubs promoted Martin up to the major leagues for the first time on April 5, 2026.[9] On April 28, Martin was ruled out for at least eight weeks due to left elbow inflammation.[10]