Zach Vennaro

Zachary Vennaro (born June 3, 1996) is an American professional baseball pitcher who is a free agent.

Career Amateur Vennaro attended New York Mills High School, Monroe Community College, and the University of Mount Olive. During his final year at Mount Olive in 2018, he posted an ERA of 0.81 over innings, but still went unselected in the 2018 Major League Baseball draft.

Ottawa Champions On May 2, 2019, Vennaro signed with the Ottawa Champions of the Can-Am League. In 10 outings for the club, Vennaro recorded an 0.77 ERA with 16 strikeouts across innings pitched.

Milwaukee Brewers On June 19, 2019, Vennaro signed a minor league contract with the Milwaukee Brewers. He spent the remainder of the year with the rookie–level Arizona League Brewers, for whom he had a 3.86 ERA over 28 innings. Vennaro did not play in a game in 2020 due to the cancellation of the minor league season because of the COVID-19 pandemic.

He spent the 2021 season playing with the Double–A Biloxi Shuckers where he made 37 relief appearances and went 1-3 with a 7.61 ERA, 50 strikeouts, and 23 walks over innings. Vennaro opened the 2022 season with Biloxi and was promoted to the Triple–A Nashville Sounds in late May. Over 49 relief appearances between the two teams, he went 6-2 with a 5.47 ERA, 56 strikeouts, and 11 saves over innings.

Vennaro spent the entirety of the 2023 season with Double–A Biloxi, registering a 6.05 ERA with 47 strikeouts and 4 saves across 41 relief outings. On September 17, 2023, Vennaro was released by the Brewers organization.

Gastonia Baseball Club On April 18, 2024, Vennaro signed with the Gastonia Baseball Club of the Atlantic League of Professional Baseball. In nine games for Gastonia, he struggled to a 7.36 ERA with 12 strikeouts and two saves across innings pitched. On June 5, Vennaro was released by the club. He made 44 appearances for the Rockers, but struggled to an 0-1 record and 7.62 ERA with 53 strikeouts and one save across innings pitched.

On March 12, 2026, Vennaro re-signed with the Rockers. He made 13 appearances for the team, posting a 1–0 record and 4.40 ERA with 19 strikeouts and one save across innings pitched.

Minnesota Twins On June 6, 2026, the Minnesota Twins purchased Vennaro's contract and assigned him to the Double–A Wichita Wind Surge. He was released on July 23.