Phil Mickelson becomes oldest major winner in history; Pádraig Harrington and Shane Lowry finish fourth

The Irish pairing of Harrington and Lowry carded matching rounds of 69 to charge up the leaderboard and claim a share of fourth place

Phil Mickelson gives a thumbs up on the 16th green during the final round of the PGA Championship at Kiawah Island. (AP Photo/Matt York)

Nine days after accepting a special exemption for next month’s US Open, Phil Mickelson rendered it unnecessary in amazing fashion by becoming the oldest winner in major championship history.

Mickelson held his nerve during a pulsating final round at Kiawah Island to win his sixth major title in the 103rd US PGA Championship, 16 years on from lifting the Wanamaker Trophy for the first time.