Holman split 2022 between the rookie–level Arizona Complex League Athletics and High–A Lansing Lugnuts, compiling an aggregate 1–5 record and 4.75 ERA with 40 strikeouts across 41+2⁄3 innings pitched.
In 35 total appearances for the three affiliates, he registered a 4.26 ERA with 60 strikeouts and 3 saves over 44+1⁄3 innings of work.
[7] Holman began the 2024 campaign with Double–A Midland, making 17 scoreless appearances with 24 strikeouts and 6 saves.
In June, he was promoted to the Triple–A Las Vegas Aviators with whom he logged an 0.92 ERA with 30 strikeouts over 23 games.
On August 16, 2024, Holman was selected to the 40-man roster and promoted to the major leagues for the first time.