Las Vegas: David Hearn carded an opening round 64 to share the lead with three others at the darkness suspended Shriners Hospitals for Children Open in Las Vegas on Thursday.
Canadian Hearn shares the lead with Americans Mark Hubbard and Michael Thompson who sit one stroke better then American Patrick Rodgers, who opened with a six-under-par 65.
Thirteen players were still out on the course when play was abandoned for the day in fading light. Of those, American journeyman Tyler Aldridge was the best placed at seven under with two holes remaining.
Level with Rodgers at six under were nine other players including Japan`s Ryo Ishikawa, South Korean D.H. Lee, Englishman Greg Owen and Americans Chad Campbell, Ricky Barnes, Ryan Palmer and Brendon Todd.
Sweden`s Henrik Norlander was also at six under through 16 when play was abandoned.
Rodgers made 12 of 17 cuts as a non-member on the 2014-15 PGA Tour, including two top-10s, before finishing in the top 125 in the FedExCup standings to secure his card for this season.
American world number five Rickie Fowler, the highest-ranked player in the field, hit his tee shot into water at the par-three 17th on the way to a double-bogey and an opening round of 72.
His compatriot Ben Martin, who clinched his first PGA Tour victory at last year`s Shriners Hospitals for Children Open, launched his title defence with a 70.