TIL The reason why netting is mandatory at National Hockey League games is because in 2002 a 13 year old girl named Brittanie Cecil was struck in the head by a stray puck deflected into the stands and later died from her injuries. So far it is the only fan fatality in NHL history.

TIL The reason why netting is mandatory at National Hockey League games is because in 2002 a 13 year old girl named Brittanie Cecil was struck in the head by a stray puck deflected into the stands and later died from her injuries. So far it is the only fan fatality in NHL history.