[4] Anderson split his professional debut season of 2018 between the rookie-level Arizona League Mariners, Low-A Everett AquaSox, and Single-A Clinton LumberKings, going a combined 2–1 with a 1.38 ERA and 13 strikeouts over 13 innings.
[7] Anderson split the 2021 season between Hickory (reclassified to the High-A East) and the Frisco RoughRiders of the Double-A Central, going a combined 2–4 with a 5.76 ERA and 61 strikeouts over 54+1⁄3 innings.
His 2022 campaign was split between Frisco and the Round Rock Express of the Triple-A Pacific Coast League, with whom he posted a 5–0 combined record with a 3.48 ERA and 91 strikeouts over 67+1⁄3 innings.
[8] During the 2022 offseason, he played in the Puerto Rican Winter League for the Cangrejeros de Santurce, posting a 1–2 record with a 0.47 ERA and 24 strikeouts over 19 innings.
Anderson was optioned to Triple–A Round Rock to begin the 2024 season,[12] but was recalled on April 7 to replace an injured Josh Sborz.