Martinez's three-run homer
D-backs @ RockiesSeptember 2, 2017 | 00:00:29
J.D. Martinez hammers a three-run shot to deep center field for his 30th homer, giving the D-backs a 3-0 lead in the top of the 1st inning
J.D. Martinez hammers a three-run shot to deep center field for his 30th homer, giving the D-backs a 3-0 lead in the top of the 1st inning