Professional sports has an obligation to continue to study the impact of head injuries and concussions.
All sports, including hockey, have come a long way from the days when a player would take a shot to the head, get knocked out and then return to action after taking a whiff of smelling salts.
The NHL has a protocol that keeps players off the ice after taking a shot to the head. But injuries like the one pictured that have all but officially ended the career of Boston Bruins star center Marc Savard still occur.
These injuries do more than "knock out" an athlete like Savard or Sidney Crosby. Concussions and concussion-related systems can last for years.
The NHL needs to take stronger steps to prevent concussion-type injuries in order to make the game safer for its players.