Fill in the Blank:
Mike Tomlin’s decision to step down as Steelers head coach marked an end to a 19-year run in which the 53-year-old coach never had a losing season. Only Hall of Famer _________ had a longer streak in NFL history.
Here’s your choices: George Halas, Vince Lombardi, Don Shula, Tom Landry, Tommy Smothers.