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

After changing golf balls at Pebble Beach, Rory McIlroy has adjusted his wedges, changed his driver and fairway woods and even added a new 3-iron.

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.

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 was left angry and embarrassed after fluffing a shot off the tee at the Arnold Palmer Invitational. The Northern Irishman started his second round at Bay Hill looking to build on his two-under par 70 on the opening day.

Rory McIlroy hits the weekend still in the hunt for Arnold Palmer Invitational glory – with leader and long-time friend Shane Lowry admitting drawing personal motivation from his playing partner.

Scottie Scheffler and Rory McIlroy are the clear favorites at the Arnold Palmer Invitational and Dennis Esser believes it's deserved.

Rory McIlroy’s viral tee shot blunder and TGL struggles headline a tough week at the Arnold Palmer Invitational. Can the golf star rebound from embarrassment?