Mo'ne Davis Shows No Remorse Over Jimmy Fallon's Sad Wiffle Ball Skills Dayna Evans · 09/06/14 03:15PM Mo'ne Davis, Philly baseball legend and coolest 13-year-old this side of anywhere, was challenged by Jimmy Fallon to a few rounds of wiffle ball batting when she was on his show on Friday and to absolutely no one's surprise, Davis smoked him.