Beckett leaves start with back spasms (AP)

[ASFN Admin]

Josh Beckett's back went into spasm while warming up for Saturday's spring training game. The Boston Red Sox ace left without facing a Florida Marlins batter. Beckett seemed to lose his footing on his last warmup pitch and called catcher Jason Varitek to the mound. Beckett put his right hand on the lower middle part of his back and soon was joined by manager Terry Francona and teammates.

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