According to multiple sources, Rory McIlroy was involved in a heated argument with U.S. caddies after the Saturday matches of the 2023 Ryder Cup. The argument was related to an incident that occurred on the 18th green involving Patrick Cantlays caddie, Joe LaCava. McIlroy was seen screaming at Justin Thomas caddie, Jim "Bones" Mackay, in the parking lot of the Marco Simone Golf and Country Club. Later, McIlroy was filmed being restrained by Shane Lowry in another angry exchange outside the clubhouse involving Mackay. The incident has caused a stir in the golf world, with many expressing their opinions on the matter.