Cameron Young made a crucial 9½-foot putt for birdie on 17.
Matt Fitzpatrick missed an 8-foot par putt on 18, sealing Young's victory.
This win marks a significant achievement for Young in his career.
Briefing: Cameron Young Wins Players Championship After Fitzpatrick's Miss
Strategic angle: Young birdies 17, clinches victory on 18 as Fitzpatrick falters.