Golf’s best player romps to another major title, but not before kicking off a healthy debate about the purpose of it all.

After May’s PGA Championship win, it leaves the two-time Masters champion just a US Open victory away from joining Gene Sarazen, Ben Hogan, Gary Player, Jack Nicklaus, Tiger Woods and, following his long-awaited victory at Augusta National in April, Rory McIlroy in completing the career grand slam.