Charlie Blackmon hit two of Colorado's five homers and Jorge De La Rosa threw five efficient innings, lifting the Rockies to an 8-2 victory over the San Francisco Giants on Monday night.From left, San Francisco Giants pitching coach Dave Righetti confers with starting pitcher Ryan Vogelsong and catcher Buster Posey after Vogelsong gave up a three-run home run to Colorado Rockies' Wilin Rosario in the first inning of a baseball game in Denver on Monday, April 21, 2014. Vogelsong gave up a solo home run to the Rockies' Nolan Arenado as well in the inning.Colorado Rockies' Justin Morneau connects for a double against the San Francisco Giants in the first inning of a baseball game in Denver on Monday, April 21, 2014.San Francisco Giants pitching coach Dave Righetti, left, runs to the mound for a conference as Colorado Rockies' Wilin Rosario gestures while circling the bases after hitting a three-run home run off Giants starting pitcher Ryan Vogelsong in the first inning of a baseball game in Denver on Monday, April 21, 2014.Colorado Rockies' Wilin Rosario, front left, is congratulated by teammate Justin Morneau, front right, after Rosario hit a three-run home run against the San...