While jogging in the Park a jogger wearing shorts and a T-shirt, saw a new tennis ball laying in the path he was jogging on and looking around saw no one nearby, so he picked up the tennis ball and put it in his front pocket of his shorts, he continued on out of the park jogging to an intersection while wait for the the light to change a blonde spots the bulge in in shorts and points at it and says "WHATS THAT? and he says "TENNIS BALL"! Then the blonde says "Oh that looks awfully painfull, as I know I had tennis elbow last spring!