Mini-Montero delivers baseballs
D-backs @ CubsMarch 15, 2017 | 00:00:15
A youngster in a Miguel Montero jersey hustles to home plate to deliver a fresh set of baseballs to the umpire in the 5th inning
A youngster in a Miguel Montero jersey hustles to home plate to deliver a fresh set of baseballs to the umpire in the 5th inning