Jordan Spieth reacts after putting for birdie on the 18th green during round two of the Hyundai Tournament of Champions at the Plantation Course at Kapalua Golf Club on Saturday in Lahaina, Hawaii. AFP PHOTO
LOS ANGELES: World No.1 Jordan Spieth chipped in for an eagle and grabbed seven birdies in a nine-under par 64 on Friday to surge four strokes clear of the field after two rounds of the US PGA Tournament of Champions.