As a sophomore, he was named second team All-Sun Belt Conference after he went 9–4 with a 2.95 earned run average (ERA) with 98 strikeouts.

[3] Gaddis repeated as a second team All-Sun Belt selection as a junior despite a 1–7 record and led the conference with 112 strikeouts.

[5] After signing with the team he was initially assigned to the Arizona League Indians before being promoted to the Class A Short-Season Mahoning Valley Scrappers.

He spent the 2021 season with the High-A Lake County Captains and went 4–11 with a 4.16 ERA and 127 strikeouts in 97+1⁄3 innings pitched.

However, he had a breakout 2024 campaign as a full-time relief pitcher, recording a 1.57 ERA, a 0.76 WHIP, and a .166 batting average against.