Martinez spent the last five years playing on the collegiate level for Louisiana Tech as well as three stints of summer ball with the Phipps Park Barracudas in 2020, the New Market Rebels in 2021, and the Kenosha Kingfish in 2023. On all levels, Martinez has logged an 11-11 record, a 5.80 ERA with 215 strikeouts in 222 innings pitched and is also credited with one save. In his last season at Louisiana Tech in 2024, Martinez was on the mound in 10 games, tossing 19 total innings with a 5.68 ERA and 18 strikeouts and in 2021 was named to the CUSA All-Tournament Team.