In addition to becoming the fourth-youngest player to win four majors (after Tom Morris Jr., Tiger and Jack), Rory McIlroy is the fifth to win multiple majors in a season before turning 26.
|Gene Sarazen||1922||U.S. Open, PGA|
|Bobby Jones||1926||U.S. Open, British Open|
|Jack Nicklaus||1963||Masters, PGA|
|Tiger Woods||2000||U.S. Open, British Open, PGA|
|Rory McIlroy||2014||British Open, PGA|