On Monday, the Rockies and D-backs meet for the first of four huge games in Colorado. It's the type of series that makes September baseball so exciting. The National League West is up for grabs. The Rockies, Dodgers and D-backs are all within 2 1/2 games of each other -- Colorado in first at 78-64, Los Angeles half a game back at 78-65 and Arizona third at 76-67.
• Watch FREE on MLB.TV: D-backs vs. Rockies, Monday 8:40 p.m. ET
For the Rockies, that means a real chance to win their first division title.