The Chicago Bears have already signed three draft picks to four-year contracts: fourth-round running back Jevon Langford (Michigan State), fifth-round safety Adrian Amos (Penn State) and sixth-round offensive tackle Tayo Fabuluje. The Tampa Bay Buccaneers have already signed quarterback and top overall pick Jameis Winston. He was the first draft pick to agree to terms. The Bears, under chief negotiator Cliff Stein, are traditionally fast to sign up their rookie draft class. Follow me on Twitter: @RavensInsider Aaron Wilson covers the Ravens for The Baltimore Sun