 The following year, Stewart became the first player to win back-to-back titles at the MCI Heritage Golf Classic at Harbour Town Golf Links, winning a playoff against Larry Mize and Steve Jones on the second extra hole with an birdie putt.This was his first playoff win on the PGA Tour, having lost all five of his playoffs in the 1980s.In May 1990, Stewart won his second tournament of the year at the GTE Byron Nelson Golf Classic.