Colorado Rockies' Troy Tulowitzki (2), Carlos Gonzalez, center, and Brandon Barnes (1) celebrate a 1-0 win over the San Francisco Giants in a baseball game on Saturday, April 12, 2014, in San Francisco. (AP Photo/Marcio Jose Sanchez)
San Francisco Giants starting pitcher Matt Cain throws to the Colorado Rockies during the first inning of a baseball game on Saturday, April 12, 2014, in San Francisco. (AP Photo/Marcio Jose Sanchez)
Colorado Rockies starting pitcher Brett Anderson throws to the San Francisco Giants during the first inning of a baseball game on Saturday, April 12, 2014, in San Francisco. (AP Photo/Marcio Jose Sanchez)
Colorado Rockies shortstop Troy Tulowitzki makes an off-balance throw to put out San Francisco Giants' Buster Posey at first base during the seventh inning of a baseball game on Saturday, April 12, 2014, in San Francisco. (AP Photo/Marcio Jose Sanchez)
Colorado Rockies' Troy Tulowitzki drives in a run with a sacrifice fly ball during the third inning of a baseball game against the San Francisco Giants, Saturday, April 12, 2014, in San Francisco. (AP Photo/Marcio Jose Sanchez)
Colorado Rockies' Charlie Blackmon (19) steals third base next to San Francisco Giants third baseman Pablo Sandoval during the third inning of a baseball game on Saturday, April 12, 2014, in San Francisco. (AP Photo/Marcio Jose Sanchez)
Colorado Rockies' Charlie Blackmon (19) scores past San Francisco Giants catcher Hector Sanchez, right, on a sacrifice fly hit by Troy Tulowitzki during the third inning of a baseball game on Saturday, April 12, 2014, in San Francisco. (AP Photo/Marcio Jose Sanchez)
San Francisco Giants closing pitcher Sergio Romo reacts after striking out Colorado Rockies' Troy Tulowitzki in the ninth inning of a baseball game Friday, April 11, 2014, in San Francisco. San Francisco won the game 6-5. (AP Photo/Eric Risberg)
Colorado Rockies' Carlos Gonzalez hits a two-run homer off San Francisco Giants starting pitcher Madison Bumgarner during the third inning of a baseball game Friday, April 11, 2014, in San Francisco. (AP Photo/Eric Risberg)