Rory McIlroy again struggled with short putts during the first round of the Arnold Palmer Invitational at Bay Hill, which may prove costly.

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

He isn't the only major champion to be lurking in the shadows, however. World No. 1 Scottie Scheffler looks sharper by the round and signed for a 71 to put him alongside his Ryder Cup teammates Collin Morikawa, Justin Thomas and Patrick Cantlay.