Boston's defense, led by netminder Tim Thomas, shut down Tampa Bay 2-0 at St. Pete Times Forum on on Thursday.
Bettors who backed the Bruins were rewarded as +105 underdogs at sportsbooks. Over-Under bettors saw the total score go UNDER the closing total of 5.5.
Boston got goals from Andrew Ference and David Krejci in the victory. Krejci opened the scoring at 1:09 of the first period.
Tim Thomas turned in a 31-save effort for the Bruins.
Dwayne Roloson stopped 23 of 25 shots for the Lightning, but it wasn't enough to earn the victory.
On the power play, Boston went 0-for-3, while the Lightning were 0-for-3 with the man advantage.
Boston lost the shots on goal battle to Tampa Bay by a margin of 31-25.