A pair of US Open winners, Wyndham Clark and JJ Spaun, are in a four-way tie for the lead alongside Tommy Fleetwood and Ryan Gerard after the first round of the PGA Tour Memorial tournament on Thursday.
Spaun fired six birdies in his five-under par 67 at Muirfield Village in Dublin, Ohio, while Clark rolled in a 45-foot eagle putt from the fringe at 15 and added five birdies in his five-under round.
England's Fleetwood had five birdies without a bogey, his solid short game proving key in a round in which he hit only seven greens in regulation.
Rory McIlroy bounced back from an early double-bogey to finish one-under par 71, while world number one Scottie Scheffler struggled with a one-over 73, including two bogeys and a double-bogey at the par-three 16th.
