What Is an Enforcer in Hockey – Hockey Enforcers 101 - Big Shot Hockey
Chicago Tribune
Chicago Tribune
Former Oilers enforcer Dave Semenko dies at age 59
Enforcer to be reckoned with: Oilers greats remember Dave Semenko
Dave Semenko dead, 1980s Oilers enforcer was 59 - Newsday
Wayne Gretzky, NHL Hockey Wikia
Ex-Oilers tough guy Dave Semenko dies of cancer at 59