San Diego hockey leagues consider neck guards after player death

Currently, neither the American League Hockey nor the National Hockey League require players to wear the protective equipment. USA Hockey also doesn't mandate them.

Karlsson, 3-time Norris Trophy winner, traded to Penguins

Clint Malarchuk - Wikipedia

Man arrested after hockey player's throat was fatally cut in 'freak accident' during game

International Ice Hockey Federation to mandate neck guards after the death of a player by skate cut - The San Diego Union-Tribune

How hockey equipment makers are preparing to meet the rising demand for neck guards - The Athletic

Carcillo ready to join 'proven winners' in Los Angeles - NBC Sports

Adam Johnson's UK team retires his jersey number after the American player's skate-cut death

Pittsburgh Penguins Among NHL Teams Exploring Neck Protection After Adam Johnson Died From Skate Slash - The Messenger

Injury prevention at core of performance

Decades after he nearly died, hockey player asks why neck guards still aren't mandatory

Tragic Death of Adam Johnson Sparks NHL Players' Consideration of Neck Guard Mandate - BVM Sports