The Greystones golfer hit a level par round of 72 to finish in a tie for 29th on 5 under par.
Northern Ireland's Michael Hoey was two shots further back on 3 under.
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Meanwhile, Hideki Matsuyama is the man to beat at the Hero World Challenge in the Bahamas.
He goes into today's final round with a massive seven shot lead on 21 under par.
Tiger Woods hit an up-and-down round of 70 yesterday to sit in 10th place – he gets his final round underway at 4.30pm Irish time.
