Gaunce, 23, was playing for the Lake Erie Monsters of the American Hockey League, where he had 60 points (51 assists), 272 penalty minutes and a plus-22 rating in 197 games. He appeared in 11 games for the Avalanche in 2010-11. He will be assigned to Texas.
Vincour has played 15 games for Dallas this season, with two goals and an assist. The veteran of 86 NHL games was with Texas of the AHL.
That's a really tough thing to play through; when you finally are thrown out there, the game is fast, intense, every single play matters, you've got to find a way to play through that and make smart plays. So it's a huge testament to [Vermette] and some other individuals in our locker room that are putting their own ego, their own wants and needs aside, and are ready for those opportunities when they do come.
— Blackhawks captain Jonathan Toews on teammate Antoine Vermette, who returned from being a healthy scratch in Game 3 to score the double-overtime winner in Game 4