‘For the Bills in free agency, the Carolina connection keeps on delivering. The Bills brass targeted Carolina free agent veteran pass rusher Mario Addison as reports indicate he reached a three-year agreement with the club and Buffalo followed with the acquisition of Addison’s teammate and fellow free agent Vernon Butler on a two-year agreement. Buffalo then capped their defensive line remodel with Seattle free agent DE Quinton Jefferson as he also reportedly agreed to terms on a two-year deal.’