Burnett announced his retirement from baseball Tuesday, Ken Davidoff of the New York Post reports.
Burnett first emerged in the big leagues during the 2008 season with Pittsburgh, posting a 4.76 ERA and 1.61 WHIP with a 43:34 K:BB over 56.2 frames. After 19 seasons in professional baseball, he's decided to call it quits, ending his career with a 3.52 ERA and 278 punchouts across 378.1 innings.