USA TODAYObi Melifonwu blew up last year’s scouting combine. It remains the highlight of his NFL career. Thursday, the Oakland Raiders waived their 2017 second-round pick, who hasn’t been able to get healthy and didn’t make any kind of impact in his five …Raiders Sign CB Dominique Rodgers-Cromartie; Waived/Injured S Obi MelifonwuRaiders.comRaiders waive 2017 second-rounder […]