Packers make Morgan Burnett signing official

The Packers announced the signing of strong safety Morgan Burnett to a contract extension on Friday. News of Burnett’s new four-year pact surfaced on Monday. Burnett, 24, notched a career-high 123 tackles in 2012, starting all 16 games for the second consecutive season. According to Ian Rapoport of NFL Network, Burnett received a four-year, $24.75…