San Francisco Giants pitcher Barry Zito winds up during a voluntary practice 

San Francisco Giants pitcher Barry Zito winds up during a voluntary practice in preparation for Sunday's Game 6 of the National League championship baseball series against the St. Louis Cardinals, Saturday, Oct. 20, 2012, in San Francisco. (AP Photo/Ben Margot)
Associated Press
San Francisco Giants pitcher Barry Zito winds up during a voluntary practice in preparation for Sunday's Game 6 of the National League championship baseball series against the St. Louis Cardinals, Saturday, Oct. 20, 2012, in San Francisco. (AP Photo/Ben Margot)
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