Cowboys' Leighton Vander Esch retires over lingering neck issues: 'Body won't cooperate' New York Post LVE retires from NFL, Cowboys issue statement DallasCowboys.comCowboys LB Leighton Vander Esch retires at 28: 'My body won't cooperate' Marca EnglishLeighton Vander Esch retiring after release from Cowboys ESPNFormer Cowboys linebacker Leighton Vander Esch retires from NFL after six seasons NFL.com