2016 has been a bad year for celebrity deaths but not the worst
Alex Karras, former NFL lineman, actor, dies at 77
Webster' star Alex Karras dead at 77, family says
Final goodbye: Roll call of some who died in 2012
Alex Karras dies; career successes included NFL, 'Blazing Saddles
2016 has been a bad year for celebrity deaths but not the worst
Here's the Super Bowl of football players turned actors
Actor Henry Polic II Dies at 68 – The Hollywood Reporter
Alex Karras dies at 77 – SheKnows
2016 has been a bad year for celebrity deaths but not the worst
2009 University of North Dakota football media guide by University
Year in Review 2012: In Memoriam – NBC 7 San Diego