The U.S. Open has seen 33 playoffs in its 124 editions, with the last occurring in 2008 between Tiger Woods and Rocco Mediate. The current playoff format is a two-hole aggregate, followed by sudden death if needed, and this year marks the 10th U.S. Open at Oakmont, a course with a history of playoffs, including those won by Ernie Els, Jack Nicklaus, and Tommy Armour.
