Ryan Vogelsong struggled through a rough first inning. He couldn't get out of the second.Colorado Rockies first baseman Justin Morneau, left, fields the throw as San Francisco Giants' Pablo Sandoval reaches first base on an infield single in the fourth inning of a baseball game in Denver on Monday, April 21, 2014.San Francisco Giants' Michael Morse reacts after striking out while swinging at a pitch to end the top of the first inning against the Colorado Rockies in a baseball game in Denver on Monday, April 21, 2014.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.San Francisco Giants starting pitcher Ryan Vogelsong works against the Colorado Rockies in the first inning of a baseball game in Denver on Monday, April 21, 2014.