The video explains what happens when a batter hits a ball that bounces on top of the wall, and when the result is a home run or ground rule double.

Rich Marazzi

Rules consultant/analyst:  Angels, D’backs, Dodgers, Nationals, Orioles, Padres, Phillies, Pirates, Red Sox, Rangers, Royals, Tigers, Twins, White Sox, Yankees, Bally Sports, YES, and NBC Sports Chicago.