Mitchell Stumpo

Mitchell Anthony Stumpo (born June 17, 1996) is an American professional baseball pitcher who is a free agent.

Mitchell Stumpo
Free agent
Pitcher
Born: (1996-06-17) June 17, 1996 (age 29) Raleigh, North Carolina, U.S.
Bats: Right Throws: Right

Career

Stumpo attended Ravenscroft School in Raleigh, North Carolina, and played college baseball at Guilford College in Greensboro, North Carolina, where he began pitching his sophomore year. As a senior in 2019, he went 4–3 with a 4.89 ERA over seventy innings.^[1] He went unselected in the 2019 Major League Baseball draft and signed with the Arizona Diamondbacks as an undrafted free agent.^[2][3]

Stumpo made his professional debut with the Rookie-level Arizona League Diamondbacks and was later promoted to the Missoula Osprey of the Rookie Advanced Pioneer League.^[4] Over 18 relief innings pitched, he went 1–1 with a 3.50 ERA and 24 strikeouts. He did not play a minor league game in 2020 due to the cancellation of the minor league season caused by the COVID-19 pandemic.^[5] He began the 2021 season with the Visalia Rawhide of the Low-A West and earned promotions to the Hillsboro Hops of the High-A West, the Amarillo Sod Poodles of the Double-A Central, and the Reno Aces of the Triple-A West during the season.^[6] Over 51+1⁄3 innings pitched in relief between the four teams, Stumpo went 1–1 with a 2.63 ERA and 66 strikeouts.^[7] He was selected to play in the Arizona Fall League for the Salt River Rafters after the season.^[8] He returned to Reno for the 2022 season.^[9] Over 45 relief appearances, he went 1–2 with a 3.53 ERA, 51 strikeouts, and 31 walks over 43+1⁄3 innings.^[10] To open the 2023 season, Stumpo was assigned to Reno.^[11] He also played for Amarillo. Over 42 relief appearances between the two teams, Stumpo went 1–6 with a 9.20 ERA, 46 walks, and 58 strikeouts over 44 innings.^[10]

Stumpo was released by the Diamondbacks organization on March 23, 2025.^[12]