McIlroy has angry exchange with fan at PGA. Rahm, Smith, Schauffele also fade

Rory McIlroy had an angry exchange with a fan during his final round at the PGA Championship after the fan shouted 'U-S-A!', as McIlroy struggled through a frustrating round. Fellow contenders Jon Rahm, Cameron Smith, and Xander Schauffele also faded during the final round. The incident and collective collapses of top international players marked a turbulent conclusion to the major championship.