Nolan Arenado hit a two-out, two-run double off the wall in the ninth inning, lifting the Colorado Rockies to a 5-4 win over the San Francisco Giants on Tuesday night.San Francisco Giants starting pitcher Madison Bumgarner works agaisnt the Colorado Rockies in the first inning of a baseball game in Denver on Tuesday, May 20, 2014.San Francisco Giants starting pitcher Madison Bumgarner works against the Colorado Rockies in the first inning of a baseball game in Denver on Tuesday, May 20, 2014.San Francisco Giants' Gregor Blanco follows through with his swing after connecting for a triple to drive in two runs against the Colorado Rockies in the fifth inning of a baseball game in Denver on Tuesday, May 20, 2014.San Francisco Giants' Tyler Colvin is congratulated by teammates after scoring on a triple by Gregor Blanco against the Colorado Rockies in the fifth inning of a baseball game in Denver on Tuesday, May 20, 2014.