Tom Fox/Staff Photographer
Dallas Stars defenseman Stephen Johns (28) sends St. Louis Blues right wing Scottie Upshall (10) flying after a huge hit in the second period during Game 5 of the Western Conference Semifinals at the American Airlines Center in Dallas, Saturday, May 7, 2016. (Tom Fox/The Dallas Morning News)
WASHINGTON -- The NHL is overhauling its concussion monitoring system.
Deputy Commissioner Bill Daly said the league will have four concussion spotters watching all games from a centralized location in either Toronto or New York, as well as spotters at each game to check for visible symptoms.