The Offaly man finished tied 59th at the St Jude Championship.
Offaly's Shane Lowry finished with a final round score of 71 to leave him in a tie for 59th place at the St Jude Championship.
The Clara man finished three over for the tournament and was a full 19 shots behind Justin Rose and has dropped two places to 20th in the Official World Golf Ranking.
Meanwhile, Justin Rose has moved back into the top ten in golf's world rankings after his triumph at the St Jude Championship last night.
The Englishman, who beat JJ Spaun in a play-off, is up 11 places to ninth.
Tommy Fleetwood, who narrowly missed out on a first PGA Tour victory, is up two places to 13th.
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