Phil Mickelson opened the 2025 Open Championship at Royal Portrush with a 1‑under-par 70, navigating intermittent rain and firm winds in the first round. He followed with a 1-over-par 72 on Friday.

Rory McIlroy removed himself from this list after his win at the 2025 Masters. But 12 golfers have won three legs of the career grand slam.

Tiger Woods was the most notable, but players like Jack Nicklaus, Arnold Palmer, and Gary Player hold a special place in golf history. It appears that we can add Scottie Scheffler to that list as well ...