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AP Colorado Rockies starting pitcher Aaron Cook, right, beats Florida Marlins' Bryan Petersen to first base during the sixth inning of a baseball game at - Photo

Colorado Rockies starting pitcher Aaron Cook, right, beats Florida Marlins' Bryan Petersen to first base during the sixth inning of a baseball game at

Thursday August 18, 05:10 AM
Colorado Rockies starting pitcher Aaron Cook, right, beats Florida Marlins' Bryan Petersen to first base during the sixth inning of a baseball game at Coors Field in Denver on Wednesday, Aug. 17, 2011.(AP Photo/Joe Mahoney)