Martinez's walk-off single
Marlins @ D-backsSeptember 24, 2017 | 00:00:29
J.D. Martinez rips a single to left to secure the D-backs' walk-off win over the Marlins, as they clinch home field for the Wild Card Game
J.D. Martinez rips a single to left to secure the D-backs' walk-off win over the Marlins, as they clinch home field for the Wild Card Game