The Colorado Rockies (79-64) will look to continue their recent dominance of the Arizona Diamondbacks (76-68) on Tuesday when they host them again as small home underdogs at sportsbooks in the second game of a key four-game divisional series.
The Rockies own a 1.5-game lead over the Los Angeles Dodgers in the National League West, with the Diamondbacks three games back after losing 13-2 on Monday.
MLB betting line: The Diamondbacks opened as -119 favorites (wager $119 to win $100); the total is at 10 runs, according to sportsbooks monitored by OddsShark. (Line updates and matchup report)
MLB betting pick, via OddsShark computer: 4.