[1][2] Festa spent his first professional season with the rookie–level Florida Complex League Twins and Single–A Fort Myers Mighty Mussels.
Festa started 2022 with Fort Myers before being promoted to the High–A Cedar Rapids Kernels.
[3] He made 21 appearances (18 starts) between the two affiliates, accumulating a 9–4 record and 2.43 ERA with 108 strikeouts across 103+2⁄3 innings pitched.
[4] Festa split the 2023 campaign between the Double–A Wichita Wind Surge and Triple–A St. Paul Saints, compiling a 4.19 ERA with 119 strikeouts over 24 games (22 starts).
He made his MLB debut that day against the Arizona Diamondbacks, allowing 5 runs with 2 strikeouts in 5 innings pitched.