NBC to air Tony Dungy’s interview with Jonathan Martin

NBC will air part of Tony Dungy’s exclusive interview with Dolphins offensive tackle Jonathan Martin on Tuesday’s “NBC Nightly News with Brian Williams” at 6:30 p.m. Eastern and on Wednesday’s edition of “Today.” The interview will air in full on a special episode of Pro Football Talk on NBCSN on Wednesday at 6:30 p.m. Eastern.…