Minnesota State (3-2-0) dropped its second-straight game as Robert Morris (3-0-0) scored three unanswered goals, including the game-winner in overtime with 1:33 remaining.
Even though MSU outshot the Colonials 30-22 in the game, RMU's Cobina Delaney overtime goal would be the deciding factor of the game.
The Mavericks jumped on the board first at 6:32 into the game as sophomore forward Melissa Klippenstein found the back of the net. Freshman Kara Power and sophomore Melissa Klippenstein assisted the goal.
Just over five minutes later, junior Lauren Zrust beat the goalie to put MSU up 2-0 as sophomore Kari Lundberg got the assist. Minnesota State killed two penalties in the period and outshot the Colonials 8-7.
Robert Morris tallied four penalties in the second period as MSU junior defenseman Emilia Andersson took advantage of the power-play opportunity when she netted her second goal of the season at the 5:20 mark. The power-play goal was assisted by senior's Jackie Otto and Moira O'Connor. MSU poured 12 shots on Robert Morris goaltender Kristen DiCiocco in the second period, while the Colonials could only trigger two shots on MSU goaltenderAlli Altmann in the second period.
The Colonial's Thea Imbrogno brought the game to 3-2 as she beat MSU's Altmann at 3:53 into the third period. Robert Morris was not done scoring yet as Rebecca Vint tied the game 3-3 at 17:49 on the power-play, which eventually sent the game to overtime.
Minnesota State goaltender Alli Altmann made 18 saves in the game, while RMU's Kristen DiCiocco turned away 27 shots.
Game two between MSU and Robert Morris is scheduled for Saturday at 1:07 CST in Pittsburgh, Pa.