In a battle of National League West teams; the Colorado Rockies will take on the San Francisco Giants on Wednesday. The Giants won the first game of the series on Monday; 3-1 over the Rockies. San Francisco comes into the game with a 53-32 record. The Giants hold a 5.5 game lead on the Los Angeles Dodgers in the National League West. For Colorado, they have struggled big time as of late. The Rockies have dropped to 37-45 on the season, and are now 14.5 games behind the Giants. Be sure to check for MLB betting lines by clicking here.