Petrovic turned professional in 1988. He played on the PGA Tour's developmental tour in 1993, 1999, and 2001. After a successful season on the
Buy.com Tour in 2001 he first earned his
PGA Tour card for the 2002 season. Petrovic's career high
Official World Golf Ranking was 65th in 2005. He earned over 12 million dollars on the PGA Tour, with over $1.7 million in both 2003 and 2005. After not being fully exempt on the regular tour for five years, Petrovic joined
PGA Tour Champions after turning 50 in 2016 and debuted at the
Boeing Classic near Seattle in August. He finished runner-up in the 2018 and 2021
Senior PGA Championship, 2018
U.S. Senior Open, and 2019
Senior Players Championship. He also finished third in the 2019
Senior British Open Championship. ==Awards and honors==