Tiki Barber's NFL comeback isn't quite complete, but he took another step Tuesday when he worked out for the Miami Dolphins, Jay Glazer of Fox Sports and NFL Network reported. Short description text. Tiki Barber's NFL comeback isn't quite complete, but he took another step Tuesday when he worked out for the Miami Dolphins, Jay Glazer of Fox Sports and NFL Network reported. Short description text.Tiki Barber's NFL comeback isn't quite complete, but he took another step Tuesday when he worked out for the Miami Dolphins, Jay Glazer of Fox Sports and NFL Network reported. Short description text.