Joseph Anthony "Trey" Mancini III (born March 18, 1992) is an American professional baseball first baseman, outfielder, and designated hitter who is a free agent.He has previously played in MLB for the Baltimore Orioles and Houston Astros. His nickname "Boomer", originally "Boom Boom" after Ray Mancini, morphed into its current form when he enrolled at the University of Notre Dame. The Orioles selected Mancini in the eighth round of the 2013 MLB draft. He made his MLB debut in 2016 with the Orioles.
Mancini was diagnosed with colon cancer in early 2020, consequently missing the entire shortened season. Upon his recovery, Mancini returned to baseball in 2021, subsequently becoming viewed as an inspirational figure. In 2022, he was traded midseason to the Astros, where he won the 2022 World Series.
MLB World Series 2022 Houston Astros |
2016-2019 |
2021-2022 |
2022 |
2023 |