In the first period of the game, Walker was rattled by the collision with Cooke. Walker left the game and did not return, while Cooke received an interference penalty on the play.
In missing the two games, Cooke will forfeit $12,093.23, which goes to the Players' Emergency Assistance Fund.
Cooke will miss the Penguins' games against the Rangers (January 28) and Devils (January 30). He will be eligible to play against Toronto on January 31.