Phil Mickelson wins in style on PGA Tour Champions debut 

Five-time major winner completes wire-to-wire victory at the Charles Schwab Series event with closing 66

Phil Mickelson of the United States poses with the tournament trophy after the final round of the Charles Schwab Series at Ozarks National  in Branson, Missouri. Picture: Brett Carlsen/Getty Images 

Phil Mickelson became the 20th player to win on his PGA Tour Champions debut with a wire-to-wire victory in the Charles Schwab Series.

Mickelson carded a closing 66 at Ozarks National to finish 22 under par, four shots clear of Tim Petrovic.