The fourth overall pick in the 2008 draft, Matusz played 279 games with the Orioles from 2009 to 2016. He finished his career pitching 3 innings as a Chicago Cubs on July 31, 2016.
Matusz went 69-40 with a 4.92 ERA in his career. He started as a starter and moved to reliever in the 2012 season.
He is known for having a lot of success against former Boston Red Sox power hitter David Ortiz. In 29 official meetings, the latter managed only 4 hits and struck out 13 times.