Byeong Hun An of South Korea and American Brendan Steele are the co-leaders of the Waste Management Phoenix Open following the second round at the TPC Scottsdale on Friday.
An, seeking a first PGA Tour victory, shot a second-straight five-under par 66, while Steele, who has two tour victories, shot a 67.
Japan’s Hideki Matsuyama, who has climbed to No. 5 in the World Ranking, bogeyed the 18th hole to shoot a 68 and is one off the lead.
Phil Mickelson, meanwhile, had a one-under par 70 and is tied for 29th, as is Jordan Spieth, who double-bogeyed the 18th hole and shot a 68.