In 2025, Walker appeared in 3 games for Florida A&M (NCAA D-1 Southwestern Athletic Conference), tossing 3 innings, allowing 2 hits and 1 earned run. In 2024, he made 18 appearances (37.2 IP) with 21 strikeouts and allowing 40 hits and 17 walks. Walker spent the 2023 season with St. Johns River State College (NJCAA D-1 Mid-Florida Conference), recording 23 strikeouts in 28 innings over 18 appearances. In his time with the Leesburg Lightning, he went 3-0 in 23 appearances, posting a 2.51 ERA in 39.1 innings, allowing 30 hits and striking out 41 batters. From Eustis, Fla. Attended Eustis HS. Returns for his third season with the Leesburg Lightning.