St. Louis's defense, led by netminder Ty Conklin, shut down Buffalo 3-0 at HSBC Arena on on Friday.
The Blues were a +115 underdog in the win. The combined score dipped UNDER the total, which closed at 5.5.
St. Louis got goals from T.J. Oshie, David Backes, and Vladimir Sobotka in the victory. Oshie opened the scoring at 2:47 of the second period.
Ty Conklin turned in a 25-save effort for the Blues.
Buffalo got a 21-stop effort from Ryan Miller in the loss.
On the power play, St. Louis went 1-for-4, while the Sabres were 0-for-3 with the man advantage.
Buffalo outshot St. Louis 25-24 in the game.
St. Louis heads into a battle against the Ducks. Buffalo, meanwhile, will have their next action against Washington.