Former Caledonia players Kevin and Karl Klug celebrate each others' successes
If the Titans cut Karl Klug, - Caledonia Warriors Football
Nsicmediaguide yearbook(part9) fb by Northern Sun Intercollegiate Conference - Issuu
FOOTBALL GAMEDAY MAGAZINE - of College Football Games
2009 University of North Dakota football media guide by University of North Dakota - Issuu
Vikings: Caledonia, Minn., can't wait to see its two NFL players on field together – Twin Cities
TROPHY CASE: Karl Klug, once a Warrior always a Warrior - Post Bulletin
Twin Brothers Having Twin Seasons - Minnesota State University - Mankato Athletics
Karl Klug, Tennessee Titans Agree to New Contract, News, Scores, Highlights, Stats, and Rumors
Neil Cornrich & NC Sports, LLC: August 2017
Road to Prep Bowl Championships: 2002-2011, News
Twin-spirational: Ex-Caledonia football star Karl Klug draws motivation from twin brother, Kevin
Pro football: Caledonia's Karl Klug puts NFL career behind him and slides into coaching