Punched Out: The Rise and Fall of Derek Boogaard [Full Version]
The Enforcer: John Branch's 'Boy on Ice' - The New York Times
NHL -- Derek Boogaard embraced the fighting that took a toll on his body and brain - ESPN
Boogaard's brain donated to Boston University
Punched Out: The Rise and Fall of Derek Boogaard [Full Version]
Hockey's bare-knuckles legacy and why fighting will likely always be a part of the NHL - The Athletic
John Branch's 'Boy on Ice,' About Derek Boogaard - The New York Times
NCAA can't feel this fighting anymore: College hockey doesn't miss it, but why haven't other hockey leagues followed suit? - Duluth News Tribune
New York Times Multimedia Package on Derek Boogaard
Postscript: Derek Boogaard