SPORTS  ·   March 5, 2014

The Nats' answer to defensive errors

- The Nationals will have a seventh uniformed coach in the dugout during games this season. Meet the new defensive coordinator and advance coach Mark Weidemaier, and hear how he plans to incorporate shifts to improve the team's defense. ()

- The Nationals will have a seventh uniformed coach in the dugout during games this season. Meet the new defensive coordinator and advance coach Mark Weidemaier, and hear how he plans to incorporate shifts to improve the team's defense. ()

The Nats' answer to defensive errors (2:25)

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