Wyndham Clark and Beau Hossler combined for a bogey-free, five-under-par 67 on Friday, and they hold a one-shot lead at the midway point of the Zurich Classic of New Orleans.Clark and Hossler, who shared the lead after the first round, sit at 16-under following a steady second round in alternate-shot play at TPC Louisiana in Avondale, La.Doc Redman and Sam Ryder carded a second-round 66, leaving them tied for second at 15 under with Keith Mitchell and South Korea's Sungjae Im, who shot 67 on Friday.The only team-based tournament on the PGA Tour schedule, the Zurich Classic uses a four-ball (best-ball) format in the first and third rounds, and foursomes (alternate shot) in the second and final rounds.Defending champions Xander Schauffele and Patrick Cantlay, who were tied for 56th after the opening round, jumped into a tie for fourth at 14 under thanks to a 63 on Friday, the best score of the day.Also at 14 under are Matthew NeSmith and Taylor Moore (66 on Friday), Nick Hardy and Davis Riley (66), Chad Ramey and France's Martin Trainer (67) and first-round co-leaders Sean O'Hair and Brandon Matthews (69).Sweden's Vincent Norman and Austria's Matthias Schwab (67), Luke List and Sweden's Henrik Norlander (69) and David Lipsky and England's Aaron Rai (69) share ninth place at 13 under.Clark and Hossler opened on the back nine, and they birdied two of their first four holes.
The added three more birdies on the second nine."It was a fairly stress-free round," Hossler said. "I think the only hole we had remotely any stress was probably 17, which I think every group on the course probably is going to have stress on that hole.