Rollercoaster day at Pebble Beach as Rory McIlroy finds himself six shots back

The Irishman had an up and down round. 

Rory McIlroy hits from the 17th tee at Spyglass Hill Golf Course. Pic: AP Photo/Godofredo A. Vásquez

Defending champion Rory McIlroy found himself six shots off the lead as Ryo Hisatsune seized a one-shot lead after the first round of the AT&T Pebble Beach Pro-Am.

Japan’s Hisatsune made 10 birdies in a round of 62 to lead Keegan Bradley and Sam Burns, who both carded rounds of 63 – Burns at Pebble Beach and Bradley at Spyglass Hill.