Twins first baseman Joe Mauer says his back stiffened during batting practice Sunday and kept getting worse, until he had to come out of the game in the third inning. | More Info

Mauer's back kept getting worse

Twins first baseman Joe Mauer says his back stiffened during batting practice Sunday and kept getting worse, until he had to come out of the game in the third inning.

Mauer's back kept getting worse

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