The Big Sky is an offensive-minded conference. Montana and Sacramento State are the exceptions. These two teams are about defense. But the oddsmaker has set this total too low. It's the lowest total of the season by far for Montana and also the lowest Over/Under for Sacramento State. 
The Grizzlies have reached at least 62 points in nine of their 12 games. They've allowed at least 62 in eight of those contests. 
Sacramento State has a solid scoring threat in Ethan Esposito, who averages 16.9 points while hitting 51.2 percent of his shots. If you toss out a 65-43 loss to St. Mary's, the Hornets are averaging 77 points on the season.