The Offaly man suffered over the course of last two rounds in Florida.
Shane Lowry says he's "still trying to figure Bay Hill out" after finishing on five over par after a challenging weekend at the Arnold Palmer Invitational.
The Clara man was in the mix after two rounds of 72 and 70 on Thursday and Friday, however an eight over third round ended his chances of a good finish.
Six of his eight shots over par on Saturday were from two triple bogeys, along with a run of three straight bogeys on the back nine.
The Bay Hill Golf Course, designed by Arnold Palmer, is ranked as the toughest stop on the PGA Tour with an average score of 2.1 over par.
Lowry will next appear in the Player's Championship, starting on Thursday.
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