Rory McIlroy Wins Largest br Cash Prize in Golf Historybr .br McIlroy won the Tour br Championship on Sunday,br .br clinching the FedEx Cup and br its $15 million cash prize.br .br The $15 million was the br largest payout in golf history.br .br McIlroy shot a 4-under 66 final round to br finish 4 shots ahead of Xander Schauffele. br .br The win vaults McIlroy to No. 2 in the world behind Brooks Koepka.br .br McIlroy was paired with Koepka br in Sunday's final group,br .br and he took the lead with a three-shot swing on hole No. 7.br .br McIlroy joined Tiger Woods as the only two-time winners of the FedEx Cup since it started in 2007.br .br Thank you to all the fans from around the world for your incredible support throughout the season. It truly means so much to me.