Martinez smashes a solo homer
D-backs @ CardinalsJuly 29, 2017 | 00:00:27
J.D. Martinez belts a solo dinger to left-center field to complete back-to-back home runs with Paul Goldschmidt in the top of the 4th inning
J.D. Martinez belts a solo dinger to left-center field to complete back-to-back home runs with Paul Goldschmidt in the top of the 4th inning