Report: Troy Polamalu fined $15,000 for horse-collar tackle of Ricky Williams - The Washington Post
Williams suspended one game for tackle on McNabb
Expanded horse collar 1 of 7 rules passed by NFL competition committee - SBNation.com
PETA urges NFL to call audible on term 'horse-collar tackle' | Fox News
NFL approves expansion of horse-collar rule - ProFootballTalk
NFL Video Rulebook - Horse Collar | What's an illegal horse collar tackle? Dean Blandino, NFL senior vice president of #officiating, explains in this edition of the #NFLOps Video Rulebook: | By
NFL Kickoff Week: Is the horse-collar the new catch rule with expansion? | Yardbarker
Football Horse Collar Penalty
Saints TE Josh Hill Fined $20,054 For Horse Collar Tackle On Steelers S Sean Davis - Steelers Depot