[3] As a freshman for the Southern Mississippi Golden Eagles in 2021, Waldrep pitched 16+1⁄3 innings in relief and had a 1–0 win–loss record with a 3.31 earned run average (ERA) and 16 strikeouts.
[13] The Atlanta Braves selected Waldrep in the first round, with the 24th overall pick, in the 2023 Major League Baseball draft.
[16][17] He made his professional debut with the Augusta GreenJackets, striking out eight in a single three-inning start,[18][19] before earning a promotion to the Rome Braves.
[20] In Rome, Waldrep threw twelve innings and seventeen strikeouts,[21] leading to his promotion to the Mississippi Braves.
[27] On June 9, 2024, Waldrep was selected to the 40-man roster and promoted to the major leagues for the first time.