WHERE'S TIGER? Tiger Woods is four shots behind, tied for 11th with nine other players. NOTEABLE: Four of the top five players birdied the par-3 16th. DeChambeau and Mickelson had tap-ins for birdie after nearly making hole-in-ones.
ROCKY START: Defending champion Patrick Reed was tied for 44th after shooting 73. Pre-tournament betting favorite Rory McIlroy also shot 73. QUOTEABLE: "I guess I should have pulled the flagstick.'" — DeChambeau, after watching his approach shot on 18 hit the stick and bounce out.
TV: Friday, ESPN, 3-7:30 p.m. EDT.