Spencer Dowd scored the OT winner on the power play 1:45 into the extra frame to give the Mitchell Hawks a 3-2 win over Hanover.
Mitchell's Jake Finlayson scored back-to-back power play goals in the second to give the Hawks a 2-0 lead heading into the third.
Tyson Lina scored on the power play in the final frame to put the Barons within a point and Brandon Richardson forced extra time with just 2:05 remaining in regulation.
Ryan Govier earned the win with 39 saves. Luke Aulthouse stopped 22 shots for the Barons.