John O'Reilly (baseball)
John O'Reilly is an American professional baseball pitcher who is a free agent.
Amateur career
Raised in Northvale, New Jersey, O'Reilly played prep baseball at Northern Valley Regional High School at Old Tappan. O'Reilly played college baseball at Rutgers from 2015 to 2018. In 2016, he played collegiate summer baseball with the Orleans Firebirds of the Cape Cod Baseball League.Professional career
Pittsburgh Pirates
On June 27, 2018, O'Reilly signed with the Pittsburgh Pirates as an undrafted free agent. He split his first professional season between the rookie-level Gulf Coast League Pirates and Bristol Pirates. O'Reilly split the 2019 campaign between the Single-A Greensboro Grasshoppers, High-A Bradenton Marauders, and Double-A Altoona Curve. In 30 relief appearances for the three affiliates, he accumulated a 1.46 ERA with 31 strikeouts and 5 saves across innings pitched.O'Reilly did not play in a game in 2020 due to the cancellation of the minor league season because of the COVID-19 pandemic. He returned to action in 2021 with Altoona and the Triple-A Indianapolis Indians. In 38 total appearances, O'Reilly logged a 3–5 record and 5.85 ERA with 35 strikeouts across innings pitched.
O'Reilly spent the 2022 and 2023 seasons back with Indianapolis. He posted a 5–3 record and 5.84 ERA with 29 strikeouts over 41 games in 2022, and registered a 3–8 record and 5.74 ERA with 55 strikeouts across 50 contests in 2023. O'Reilly was released by the Pirates organization on September 28, 2023.