The Blues beat San Jose 3-1 on Saturday, earning a victory backstopped by Brian Elliott's 26 saves.
St. Louis won as a -165 favorite, while Over-Under bettors who played UNDER the total of 5 were rewarded at the payout window.
St. Louis got goals from Jamie Langenbrunner, Andy McDonald, and David Perron in the victory. Langenbrunner opened the scoring at 11:16 of the third period.
Brian Elliott turned in a 26-save effort for the Blues.
Joe Thornton scored for the Sharks, finding the net behind Brian Elliott.
Antti Niemi stopped 24 of 26 shots for the Sharks, but it wasn't enough to earn the victory.
On the power play, St. Louis went 0-for-2, while the Sharks were 0-for-2 with the man advantage.