Lowry was bogey free on one of the most difficult courses on the PGA Tour until missing a 4-footer on No. 16. He atoned with a birdie on 18 to finish with a 67.

A day after blustery conditions produced the highest first-round scoring average (74.624) since 2011, the wind relented and the temperature rose into the mid-70s to present a course ripe for

Rory McIlroy sits three-under and seven shots off leader Collin Morikawa at the Arnold Palmer Invitational, with Scottie Scheffler on two-under heading into Sunday; Shane Lowry drops to tied-seventh having entered as overnight leader;