Michael Petersen Stats & Bio | Marlins Pitcher

About Michael Petersen

Michael Petersen brings an international flair to the Miami Marlins rotation, wearing number 49 as one of the few MLB pitchers born in the United Kingdom. The Middlesex, England native stands an imposing 6'7" and developed his game stateside after attending Riverside City College, turning his raw talent into a professional career. Born on May 16, 1994, Petersen has worked to establish himself at the highest level of baseball, a remarkable journey for a player who grew up far from the sport's traditional heartland. In recent outings, he has posted a 5.19 ERA across four appearances, logging 5.2 innings and recording five strikeouts while continuing to build experience on the mound. Petersen's unique background and determination make him one of the more intriguing stories in the Marlins organization today.

Updated: Mar 18, 2026