Diamondbacks | Ryan Roberts working on throws

Arizona Diamondbacks 3B Ryan Roberts took ground balls prior to the game Friday, April 20, to work on his footwork and throws to first base. He has struggled with his throws across the diamond over the past week. Manager Kirk Gibson noticed an issue with a different arm slot Roberts has been using on his throws to first. He has two errors through 11 games, and the team isn't worried about him.

2012-04-21 19:36:56 | Source: MLB.com - Tyler Emerick

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