The Baltimore Ravens and Pittsburgh Steelers have produced vicious hits, dramatic finishes and now a historic matchup of head coaches.
In Sunday's battle for first place in the AFC North, the Steelers' Mike Tomlin and the Ravens' John Harbaugh will become the first pair of head coaches in the Super Bowl era to face off 25 times in the regular season, according to the Elias Sports Bureau.
Before a Ravens-Steelers game not too long ago, Tomlin was talking to Harbaugh about how their place in the lore of one of the NFL's fiercest rivalries.