NFL investigating Raiders for 'Rooney Rule' violation, report says Unknown 02:04 The "Rooney Rule," implemented in 2003, requires at least one minority candidate be interviewed during a coaching search. Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsKremlin Says Claims Putin Ordered Russian Doping Programme 'Slander'Tai Tzu Ying Doing Well at the Moment But Not Invincible: Saina NehwalRai, Narang, Chandela Among 27 Indian Shooters Named for CWG'Pony Brother' Javier Mascherano Gets Chinese Nickname TreatmentOut-of-favour Daniel Sturridge Loaned Out by Liverpool to West BromShiva Keshavan Gets Sponsor for Winter Olympics Preparation