[4][5] McCarthy made his professional debut with the Arizona League Diamondbacks before being promoted to the Hillsboro Hops.
[7] McCarthy started 2021 with the Amarillo Sod Poodles before being promoted to the Reno Aces.
[10] On August 29, McCarthy collected his first career hit, an RBI double off of Philadelphia Phillies starter Ranger Suárez.
[11] McCarthy finished the 2021 major league season with a .220/.333/.373 slash line, with 13 hits, 3 doubles, 2 home runs, 4 RBI, and 8 walks, all in 24 games.
[14] His brother, Joe McCarthy, played baseball for the San Francisco Giants in 2020.