Las Vegas’ Stone fell into Heiskanen’s left knee in an awkward collision, which forcing Dallas’ top defenseman out of the game.

Defenseman Miro Heiskanen was injured in the third period of the Stars' 4-3 overtime victory over Vegas on Tuesday night after taking a big hit from Golden Knights captain Mark Stone.

Bad things happen in hockey sometimes, and it's nobody's fault. That sure looks like what happened in the Stone and Heiskanen incident, says Ken Campbell.

In the third period of a tight contest, Stone was tripped by Stars forward Roope Hintz, causing him to lose balance. As he fell to the ice, he took out Heiskanen’s leg. The blue liner immediately grabbed his left knee and was in visible pain as he headed towards the tunnel with the help of his teammates.

The rivalry between the Vegas Golden Knights and the Dallas Stars has brewed over the years with a new talking point after their final regular season game of this season on Tuesday.

Miro Heiskanen was injured when Vegas Golden Knights captain Mark Stone was tripped by Stars forward Roope Hintz and slid hard into Heiskanen's left leg midway through the third period. Heiskanen was slow to get up and had to be helped down the tunnel to the locker room. Stone was given a tripping penalty on the play.

Dallas Stars defenseman Miro Heiskanen was forced to exit Tuesday's game against the Vegas Golden Knights after colliding with Mark Stone.Stone appeared to lose balance while chasing down Heiskanen and ended up taking out his leg.

Golden Knights captain Mark Stone said he was tripped and didn’t dive headfirst into Dallas Stars defenseman Miro Heiskanen’s knee in the third period Tuesday.

Defenseman Miro Heiskanen was injured in the third period of the Dallas Stars’ 4-3 overtime victory over Vegas after taking a hit from Golden Knights captain Mark Stone