2016-2017: Coldiron was a valuable two-way player for the Cobras during his senior season. He played and started in all 45 games, whether on the mound, as the designated hitter or at first base. He finished with a team-high .308 batting average, a .393 on-base percentage and a .352 slugging percentage. He tallied 49 hits including seven doubles, while driving in 19 runs. He also scoerd 25 runs and drew 16 walks. On the mound, Coldiron made nine apperances including eight starts. He pitched to a 3.99 earned run average, which finished tied for second on the club. He also owned a 4-2 record on the year. In 38.1 innings, he allowed 18 runs, 17 earned on 59 hits. He also issued eight free passes and struck out 27 on the year.

2015-2016: Coldiron was a presence at the plate and on the mound for the Cobras in 2016. Offensively he appeared in 41 games hitting for a .355 batting average. He collected 49 total hits including 15 doubles, one triple and three home runs while driving in 37 runs. Coldiron also scored 38 runs and stole four bases. On the bump he appeared in 13 games including six starts. He went 4-3 with one save and one complete game, tossing 39.1 innings allowing 20 earned runs on 48 hits along with striking out 35.

Other College: Coldiron transferred to Coker from Cuesta College where he was a member of the baseball team. 

High School: Coldiron was a two-sport athlete at Loveland High School where he lettered in basketball and baseball for the Indians. 

Personal: Son of Kirsten and Dave Coldiron... he has three siblings David, Dylan and Adeline... his sister Adeline plays softball at the University of Northern Colorado.