Arenado's towering grand slam
Cardinals @ RockiesSeptember 21, 2016 | 00:00:29
Nolan Arenado extends the Rockies' lead to 6-1 in the 2nd inning as he drives a grand slam over the left-field wall #PapaSlam
Nolan Arenado extends the Rockies' lead to 6-1 in the 2nd inning as he drives a grand slam over the left-field wall #PapaSlam