Jorge De La Rosa tuned up for his opening-day start with six shutout innings for the Colorado Rockies on Wednesday, but Hector Sanchez hit a game-ending two-run homer to give the San Francisco Giants an 8-6 win.San Francisco Giants left fielder Michael Morse can't get a glove on a double by Colorado Rockies Paul Janish during the second inning of a spring exhibition baseball game in Scottsdale, Wednesday, March 26, 2014.Colorado Rockies starting pitcher Jorge De La Rosa throws to the San Francisco Giants during the second inning of an exhibition baseball game in Scottsdale, Ariz., Wednesday, March 26, 2014.San Francisco Giants starting pitcher Matt Cain throws to the Colorado Rockies during the first inning of a spring exhibition baseball game in Scottsdale, Wednesday, March 26, 2014.Colorado Rockies Paul Janish, right, is tagged out by San Francisco Giants third baseman Joaquin Arias while trying to advance on a ball hit by Jorge De La Rosa during the second inning of an exhibition baseball game in Scottsdale, Ariz., Wednesday, March 26, 2014.