The Colorado Avalanche learned that lesson firsthand against the Vegas Golden Knights in a 4-2 loss in Game 1 of the Western Conference Final on Wednesday.

The Colorado Avalanche are missing a key player as they face the Vegas Golden Knights in Game 1 of the Western Conference finals.

The ex- UMass star had five points in nine playoff games for the Avalanche, including a three-point game against the Minnesota Wild in Game 1 of the Western Conference semifinals.

The NHL Coaches Association is speaking out against the Vegas Golden Knights' refusal to let former head coach Bruce ​Cassidy interview for other head coach positions.