Cook, Rockies shut down Braves  THURSDAY MAY 21, 2009 Aaron Cook tossed a four-hit complete-game shutout Thursday, as the Colorado Rockies defeated the Atlanta Braves 9-0 to earn a split of the four-game series at Turner Field. Colorado won the game as +130 underdogs, while the nine runs went as a PUSH against the posted over/under (9). Todd Helton led the Rockies with a grand slam home run and five RBIs. Cook improved to 3-1 with the victory. Kris Medlen allowed five runs off three hits over three innings in the loss.