Gear On Tour: Humana Challenge What players are using at the Humana Challenge at PGA West in La Quinta, Calif. The new G9 mallet putter. The Callaway "V-line" putter. A custom Cameron "Tour Only" Newport. Champ's new putter grip. This is TaylorMade's Spider Si putter. Ping's new Ketch putter. Another view of Fowler's custom Cameron FB+ (Fastback plus) in OSU colors. Fowler's custom Cameron FB+ (Fastback plus) in OSU colors.
