You have to appreciate John Isner’s grandfather’s sense of humor. It takes a pretty confident, secure and irreverent man to wear a photo of his naked grandson on a T-shirt.
Ah, to be advanced in age and not give a single fuck. We’re really looking forward to that stage of life.
Isner’s grandfather has earned the right to do whatever he wants. After all, it takes an incredible amount of stamina to make it through one of Big John’s epic matches.
[H/T: Larry Brown Sports]