CU: Stewart's injury regrettable – The Denver Post
Horse-collar tackle - Wikipedia
Football Horse Collar Penalty
NFL approves expansion of horse-collar rule - ProFootballTalk
Denver Broncos news: I can't even with this Broncos offense - Mile High Report
Horse Collar Tackle – Rochester Chapter of Certified Football Officials
East Rutherford, United States. 13th Oct, 2019. New York Jets quarterback Sam Darnold gets a Horse-collar tackle in the first half against the Dallas Cowboys in week 6 of the NFL season
What is on Drue Tranquill's neck? Chargers LB spotted wearing Q-Collar to limit head trauma | Sporting News
What is a Horse Collar Tackle in Football? (Explained)
Cowboys tackle Tyron Smith fined $15,750 for horse-collar tackle - Sports Illustrated
Horse-collar tackles are now even more off limits with expanded definition in rules
Bengals look to tough stretch after rallying for 10th win | TheSpec.com
N.F.L.: Once Big, Neck Rolls Are Now a Nostalgia Piece - The New York Times