Centre (ice hockey) - Wikipedia
Paul Kariya - Wikipedia
Men of Steel: Each NHL Team's Toughest Enforcer of All Time, News, Scores, Highlights, Stats, and Rumors
Johansen's Drive, Stick Tape Helping Preds to Success This Season
Top 10 NHL players ever to wear the dreaded and 'unlucky' No. 13 - The Hockey News
My Top-Five Bruin 'Tough Guys' Of All-Time – Black N' Gold Hockey
Are NHL enforcers' addictions, depression a result of on-ice brain trauma?
I Miss the 'Big Bad Bruins' – Black N' Gold Hockey
My Top-Five Bruin 'Tough Guys' Of All-Time – Black N' Gold Hockey
Interview: John Branch, Author of 'Boy On Ice' : NPR