Louis Oosthuizen and Charl Schwartzel birdied six of their final eight holes Saturday to shoot a 9-under 63 and take a one-shot lead at 19-under 197 into the final round of the Zurich Classic. The South African tandem birdied the par-3 17th with Oosthuizen's 33-foot putt and Oosthuizen missed an eagle on the par-5 18th by 4 inches before tapping in for the lead while wearing a somewhat disgusted look because of his narrowly missed previous putt from nearly 17 feet. Oosthuizen then allowed for a smile while fist-bumping Schwartzel in acknowledgment of a successful round in a best-ball format that included nine birdies - five by Schwartzel and four by Oosthuizen in the PGA Tour's lone regular-season team event. Australians Marc Leishman and Cameron Smith also shot a 63 to move into a tie for second at 18 under with Cameron Champ and Tony Finau, who shot a 67 after Finau's tap-in birdie. Tied for fourth at 17 under were the teams of Bubba Watson and Scottie Scheffler, and Norwegians Viktor Hovland and Kris Ventura, who'd shared the lead after the first and second rounds.