Colorado State University Pueblo

2025 First-Team All-RMAC
2024 RMAC All-Tournament Team

2025 (Jr.): Tied for the team lead in appearances with 16 ... Also made eight starts ... Posted a 5-3 record and a 6.75 ERA ... Was second on the team in inning pitched with 53.1 and tossed at least four innings in seven of his 16 appearances ... Threw a career-high seven innings against Mines (4/7) ... Allowed 70 hits, 52 runs (40 earned runs), while walking 16 and fanning 51 ... Tallied four or more strikeouts in a game eight times, including a career-high seven strikeouts against Adams State (4/26/25) ... Earned First-Team All-RMC honors ... Was second in the RMAC in strikeout-to-walk ratio (3.19) and fourth in strikeouts per nine innings (8.61) ... In RMAC games, he was 4-2 with a 5.66 ERA in nine appearances and six starts ... Tossed 41.1 innings and allowed 49 hits, 36 runs (26 earned runs), while striking out 38 and walking 13. 

2024 (R-So.): Made 21 appearances all in relief for the Pack ... The 21 appearances were tops on the team ... Posted a 2-2 record and had two saves ... Fourth on the team in innings pitched with 39 and tossed at least three innings in five of his appearances, including a season-high four innings against both MSU Denver (3/29) and Adams State (4/20) ... Allowed 44 hits and 24 runs (17 earned runs) ... Recorded 32 strikeouts and walked 14 ... One of six pitchers on the team to record 30 or more strikeouts on the season ... Tallied two or more strikeouts in 11 games, including season-high four strikeouts against Adams State (4/20) ... Had eight outings (10.1 innings) without allowing a run ... Named to RMAC All-Tournament Team after tossing 3.2 scoreless innings against Mines (5/10) as he allowed five hits and no runs, while striking out two and walking three.

2023 (R-Fr.): Made 17 appearances in relief for the Pack ... His 17 appearances were tied for second-most on the team ... Posted an 0-2 record and had two saves ... Tossed 27 innings and allowed 51 hits and 35 runs (27 earned runs) ... Recorded 20 strikeouts and walked 13 ... Pitched two or more innings in six games, including a high of 2.2 innings at MSU Denver (4/2) ... Tallied two or more strikeouts in six appearances, including a high of three strikeouts against MSU Billings (2/26).

2022 (Fr.): Redshirted.

Broadway HS: Lettered in baseball for Coach Tim Turner at Broadway High School ... Graduated in 2021 ... Recorded an 0.87 ERA in 55 innings pitched with the Gobblers ... In the classroom, carried a 3.0 GPA.
 

Personal: Born August 15 ... Son of Sam and Marta Petersheim ... Has two siblings, Emma and Lukas ... Exercise Science major ... His father, Sam, played collegiate baseball at Heston College ... Likes to hunt and fish ... Played in the summer of 2024 with the Medicine Hat Mavericks ... Named Medicine Hat's Pitcher of the Year after recording a 3.25 ERA, which ranked second in the WCBL ... Led team with 63.2 innings pitched and allowed just 56 hits and posted a 5-1 overall record.