Austin Martin was born on March 23, 1999, in DeLand, Florida. He attended Trinity Christian Academy before playing college baseball for the Vanderbilt Commodores. The Cleveland Indians selected Martin in the 37th round of the 2017 MLB draft. He made his Major League Baseball debut on March 30, 2024. On July 30, 2021, the Minnesota Twins acquired Martin from the Toronto Blue Jays in a trade that sent right-handed pitcher Jose Berrios to Toronto. Martin also received right-handed pitcher Simeon Woods Richardson in that transaction. He won the Twins Charles O. Johnson Most Improved Award in 2025. Martin bats and throws right-handed.