Jimmy Fallon Sets Tennis Grunts To Music [Video]

I'm not a passionate tennis fan, but I did catch the end of the men's final from this weekend's French open. The guy who won looked like he was playing in his pajamas. (I think his name was Djokovich.) Anyway, it sometimes sounds to me like they're hurting themselves when they fire off those 100+ mph serves. Jimmy Fallon apparently found humor in this, and recently shared with us...