FILE - Baltimore Ravens head coach John Harbaugh reacts prior to an NFL wild-card playoff football game against the Pittsburgh Steelers, in Baltimore, Jan. 11, 2025. (AP Photo/Nick Wass ...

Baltimore Ravens head coach John Harbaugh is the second-longest tenured coach in the NFL, now entering his 17th season in Charm City. He may also be one of the more divisive coaches in the league.