Raiders took advantage of loophole to save $8.7 million  NBC SportsKirk Cousins agrees to sign contract with Raiders, agent says  ESPNFormer Falcons QB Kirk Cousins signing with Raiders  NFL.comKirk Cousins getting paid by Raiders: How QB has cashed in to become one of NFL's richest players  cbssports.comWhat Raiders' Kirk Cousins deal means for Fernando Mendoza, Aaron Rodgers and NFL QB market  Yahoo Sports