Thomas Andrew Gregorio (born May 5, 1977) is an American former professional baseball catcher, who played in Major League Baseball (MLB) for the Anaheim Angels. He served as the bullpen catcher for the Los Angeles Angels from the latter part of 2010 through the end of the 2018 season. Gregorio played college baseball at Troy University. He also played eight seasons in the minor league systems of the Oakland Athletics, Seattle Mariners, and Texas Rangers, batting .242/.299/.353. After being released by all three teams in a span of shortly over a year, Gregorio officially retired after the 2006 season. Previously, he was the roving catching coordinator for the Angels.