San Diego Padres starting pitcher Edinson Volquez throws to Colorado Rockies batter Josh Rutledge in the first inning of a baseball game in Denver on Saturday, Sept. 1, 2012. (AP Photo/David Zalubowski)

Colorado Rockies' Carlos Gonzalez, right, slides safely into second base after hitting a double as San Diego Padres shortstop Everth Cabrera covers in the first inning of a baseball game in Denver on Saturday, Sept. 1, 2012. (AP Photo/David Zalubowski)

San Diego Padres leftfielder Carlos Quentin fields a single on the bounce off the bat of Colorado Rockies' Wilin Rosario in the first inning of a baseball game in Denver on Saturday, Sept. 1, 2012. (AP Photo/David Zalubowski)

Colorado Rockies starting pitcher Jhoulys Chacin throws to San Diego Padres batter Everth Cabrera in the first inning of a baseball game in Denver on Saturday, Sept. 1, 2012. (AP Photo/David Zalubowski)

Colorado Rockies' Dexter Fowler is congratulated as he crosses home plate after hitting a grand slam off San Diego Padres relief pitcher Miles Mikolas in the eighth inning of a baseball game in Denver on Saturday, Sept. 1, 2012. The Rockies won 9-1. (AP Photo/David Zalubowski)

San Diego Padres relief pitcher Miles Mikolas kicks at the mound after giving up a grand slam to Colorado Rockies' Dexter Fowler in the eighth inning of a baseball game in Denver on Saturday, Sept. 1, 2012. The Rockies won 9-1. (AP Photo/David Zalubowski)

Colorado Rockies' Dexter Fowler follows the flight of his grand slam off San Diego Padres relief pitcher Miles Mikolas in the eighth inning of a baseball game in Denver on Saturday, Sept. 1, 2012. The Rockies won 9-1. (AP Photo/David Zalubowski)

Colorado Rockies shortstop Josh Rutledge, rear, throws to first base after forcing out San Diego Padres' Chase Headley at second base on the front end of a double play hit into by Carlos Quentin to end the top half of the eighth inning of a baseball game in Denver on Saturday, Sept. 1, 2012. The Rockies won 9-1. (AP Photo/David Zalubowski)

Colorado Rockies' Dexter Fowler smiles as teammates congratulate him on a grand slam against the San Diego Padres in the eighth inning of a baseball game in Denver on Saturday, Sept. 1, 2012. The Rockies won 9-1. (AP Photo/David Zalubowski)

From left, Colorado Rockies' Josh Rutledge congratulates Wilin Rosario after both scored on a double hit by Tyler Colvin against the San Diego Padres in the fifth inning of a baseball game in Denver on Saturday, Sept. 1, 2012. Rockies' Jordan Pacheco watches. The Rockies won 9-1. (AP Photo/David Zalubowski)

Colorado Rockies' Dexter Fowler drops the bat and follows the flight of his grand slam off San Diego Padres relief pitcher Miles Mikolas in the eighth inning of a baseball game in Denver on Saturday, Sept. 1, 2012. The Rockies won 9-1. (AP Photo/David Zalubowski)

San Diego Padres shortstop Everth Cabrera misses a pop single of the bat of Colorado Rockies pinch-hitter Jason Giambi in the eighth inning of a baseball game in Denver on Saturday, Sept. 1, 2012. The Rockies won 9-1. (AP Photo/David Zalubowski)

San Diego Padres' Chase Headley throws down his helmet after being forced out at second base on a double play hit into by Carlos Quentin to end the top of the eighth inning in the Colorado Rockies' 9-1 victory in a baseball game in Denver, Saturday, Sept. 1, 2012. (AP Photo/David Zalubowski)