Impressive company indeed—-

Gene Sarazen:
Won the U.S. Open (1922), the Open Championship (1932), the PGA Championship (1922), and the Masters (1935).

Ben Hogan:
Won the PGA Championship (1946), the U.S. Open (1948), the Open Championship (1953), and the Masters (1951).

Gary Player:
Won the Open Championship (1959), the Masters (1961), the PGA Championship (1962), and the U.S. Open (1965).

Jack Nicklaus:
Won the U.S. Open (1962), the Masters (1963), the PGA Championship (1963), and the Open Championship (1966).

Tiger Woods:
Won the Masters (1997), the PGA Championship (1999), the U.S. Open (2000), and the Open Championship (2000).

Rory McIlroy:
Won the U.S. Open (2011), the PGA Championship (2012), the Open Championship (2014), and the Masters (2025).