As much as any racquet, string or shoe, no piece of tennis equipment is as identifiable, pervasive or lasting as Tourna Grip. The overgrip continues to be the top-selling grip around the globe ...

There is a couple other tennis racket stats on there, including the 300 kilometers of string they've used for his rackets, the 125 Babolat bags he's used and 16,500 meters of Babolat overgrip used.