2019-07-12 - Arizona Diamondbacks at St. Louis Cardinals

MLB: JUL 12 Diamondbacks at Cardinals

ST. LOUIS, MO - JULY 12: Arizona Diamondbacks First base Christian Walker (53) goes over notes on the opposing pitcher before the start of the game during a regular season game featuring the Arizona Diamondbacks at the St. Louis Cardinals on July 12, 2019 at Busch Stadium in St. Louis, MO. (Photo by Rick Ulreich/Icon Sportswire)

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