If Phil Mickelson ever gets tired of hittin' golf balls, he's got no shot at a career as a dancer -- 'cause Lefty put all of his moves on display for a new commercial ... and they ain't all that great.
The PGA Tour superstar is hockin' dress shirts these days in addition to sinking putts on weekends ... and for his first-ever ad with the shirt company -- he threw down a cascade of dad dance moves.
There was the worm ... a little John Travolta action ... and a bunch of other unrecognizable moves.