Tom Lovelady and Troy Merritt both shot a 67 in Round 3 , and share the lead at 18-under with Hunter Mahan and Robert Streb. Sam Ryder is one of three players one stroke behind at 17-under, along with Blayne Barber and Billy Horschel. Barber was in fine form, as he carded a 63 Saturday, as did Streb. Mahan shot a 64 as he surged into a share of the lead.