Joseph Anthony Mancini is an American baseball player who is currently a free agent. He plays as a right fielder. He bats right-handed and throws right-handed. He was born on March 18, 1992 in Winter Haven, FL. He was drafted by the Orioles as the #249 overall pick in the 8th round of the 2013 MLB Draft. He made his MLB debut on September 20, 2016. His nickname is Boomer.
SOURCE
https://www.mlb.com/player/trey-mancini-641820 on the Orioles MLB website