Martin spent his first professional season in 2018 with the rookie–level Arizona League White Sox and the Great Falls Voyagers, posting a 4.29 ERA in 9 appearances. In 2019, he spent the season with the Single–A Kannapolis Intimidators, starting 27 games and registering a 9–9 record and 5.04 ERA with 156 strikeouts in 144+2⁄3 innings pitched.[4]
Martin did not play in a game in 2020 due to the cancellation of the minor league season because of the COVID-19 pandemic.[5] He spent 2021 with the High-A Winston-Salem Dash and Double–A Birmingham Barons. In 23 starts, he recorded a cumulative 4.91 ERA with 98 strikeouts in 88.0 innings of work.[6] He opened the 2022 season with Birmingham and was promoted to the Triple–A Charlotte Knights during the season.[7]
Major leagues
On May 17, 2022, the White Sox selected Martin's contract and promoted him to the major leagues for the first time.[8] He made his MLB debut that day as the starting pitcher versus the Kansas City Royals.[9] He pitched five innings in which he gave up one earned run, which was an RBI double in the second inning, while striking out seven, taking the loss as the White Sox fell 2–1.[10] The next day, Martin was sent back to Charlotte.[11] He was recalled and optioned twice in June.[12]
Martin was optioned to Triple-A Charlotte to begin the 2023 season.[13] In three starts for the Knights, he posted 2.81 ERA with 20 strikeouts in 16 innings pitched. On May 17, 2023, Martin underwent Tommy John surgery, ending his season.[14]
Martin was optioned to Triple–A Charlotte to begin the 2024 season as he recovered from the surgery .[15] After successfully rehabbing from the injury, he made his return to the White Sox on July 27, 2024.[16] In 11 appearances for the White Sox in 2024, Martin posted a 4.32 ERA across 50 innings pitched.[6]
Martin was a member of Chicago's starting rotation for the 2025 season. He missed a period of time during the season due to a forearm strain.[17] He started 25 games for the White Sox and went 7-10 with a 4.10 ERA and 104 strikeouts over 142+2⁄3 innings.[18]
