Rory McIlroy joins Lowry on four under par.
Offaly's Shane Lowry and Rory McIlroy are 4 under par after their opening rounds at the Cognizant Classic on the PGA Tour in Florida, three shots off the lead.
The Clara man hit four birdies and an eagle in his first round while dropping shots at the first, and eighth holes yesterday.
McIlroy's tidy round included five birdies, and one bogey.
Padraig Harrington is level par after his round.
The lead of 7 under par is held by Kim Seong-hyeon.
Leona Maguire is back on 3 over at the halfway stage of the HSBC women's world championship in Singapore, ten strokes off the lead.
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