Shane Lowry and Graeme McDowell combine to share QBE Shootout lead

Shane Lowry and Graeme McDowell fired an eight-under 64 to move into a share of lead at the QBE Shootout in Florida.

The Irish duo impressed in the modified alternate shot format to post six birdies and an eagle to move alongside overnight leaders Steve Stricker and Sean O'Hair on 18 under.

Stricker and O'Hair followed up their opening-round 57 in the scramble format with a three-under 69 on Saturday, mixing seven birdies with four bogeys to stay in a share of the lead heading in to Sunday's fourballs.

Brendan Steele and Keegan Bradley lie two strokes off the pace in third in the 12-team tournament, with Lexi Thompson and Tony Finau a further shot back in fourth following a six-under 66.

Lowry and McDowell moved up the leaderboard by posting an eagle-three at the first and adding three more birdies in a front-nine 31, before McDowell holed a 15-foot gain at the par-four 10th.

McDowell posted a birdie at the 13th and picked up another shot at the 15th after Lowry's stunning approach, which was enough for a share of the lead when Stricker and O'Hair bogeyed their penultimate hole.

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Four birdies over the final four holes saw Thompson and Finau increase their chances of winning the unofficial money event, with defending champions Harris English and Matt Kuchar nine shots off the pace on nine under.

Watch the final round of the QBE Shootout on Sunday from 6pm live on Sky Sports Golf