Daley became entangled with Toronto forward James van Riemsdyk on a rush down the left wing. Both players fell to the ice and Daley slid into the corner.
Play continued and van Riemsdyk ended up assisting Leafs forward Nazem Kadri on the opening goal.
Daley was helped off the ice by two teammates and did not return to the game.
Watch a video of the play above.