NHL enforcer job under scrutiny
Fall of the Boogeyman: Derek Boogaard's final days
s 50 landmark hockey fights - Sports Illustrated
Cox: Why Derek Boogaard's death won't change the NHL
Concussions in the NHL: Former and current players speak out - National
NHL -- Players fight because we let them fight - ESPN
Bob Probert - The Hockey Writers
Stu Cowan: Chris Nilan says it's too easy to link NHL deaths simply to fighting
Ranking the 100 Toughest Players in NHL History, News, Scores, Highlights, Stats, and Rumors
Tough Guy' Documentary Is An Unflinching Look At Bob Probert
Eye for an Eye: Revisiting the 1997 Red Wings, Avalanche Brawl - The Hockey News
The fight over CTE continues 5 years after Steve Montador's death
head trauma
Former NHL Enforcer joins brain study in honor of Bob Probert. - HockeyFeed