Steve Stricker and Sean O'Hair secure QBE Shootout victory

Steve Stricker and Sean O’Hair came through a final-round tussle with Graeme McDowell and Shane Lowry to claim a two-shot victory at the QBE Classic.

The American duo, both previous winners of the event with different playing partners, carded a combined eight-under 64 in the better ball format to take the title ahead of the Irish pair.

Pat Perez and Brian Harman fired an eight-under 64 to grab third spot, with Lexi Thompson and Tony Finau one of three teams sharing fourth position.

Beginning the day in a share of the lead, the final two groups exchanged birdies at the par-five first before the Irish pair moved ahead by picking up shots at the fourth and sixth.

Stricker holed a 15-foot birdie at the seventh to match McDowell's gain on the par-four, with the American group birdieing their next two holes to reach the turn all-square.

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O'Hair rolled in a six-footer at the 11th and picked up another from a similar distance at the 14th to move him and Stricker ahead, only for McDowell to halve the gap with a birdie at the par-four 15th.

A 10-foot eagle at the 17th from O'Hair extended their cushion to three heading to the last, where a final-hole birdie from McDowell couldn't prevent the Americans from seeing out victory.

Thompson and Finau signed for a 66 to finish on 21 under alongside Brendan Steele and Keegan Bradley and Gary Woodland and Daniel Berger.