Photo: Arizona Diamondbacks J.D. Martinez hits grand slam home run - SLP2017072706

J.D. Martinez's 4-HR game ranked best at the plate in D-backs history

J.D. Martinez of the Los Angeles Dodgers hits a solo home run

J.D. Martinez hits 4 homers against the Dodgers

J.D. Martinez of the Los Angeles Dodgers hits a solo home run

Martinez hits grand slam as D-Backs rout Giants

J.D. Martinez of the Los Angeles Dodgers hits a solo home run

J.D. Martinez becomes first Diamondback ever with four home-run

J.D. Martinez of the Los Angeles Dodgers hits a solo home run

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