Here's a recap of the records and milestones for the AFC North teams, which comes courtesy of the NFL:
Club qualified for the postseason for the third time under head coach Marvin Lewis (2005, 2009).
Team won three games in which it trailed by at least 10 points at halftime, tied for the most such wins in a season in NFL history.
Quarterback Andy Dalton finished in the top five among rookies all-time with 20 touchdown passes (tied for fourth) and 3,398 passing yards (fifth).
Wide receiver A.J. Green recorded 1,057 receiving yards, the most by a rookie in team history. His 65 receptions were the second-most by a Bengals rookie (Cris Collinsworth , 67 in 1981).
Dalton and Green became the first rookie quarterback-wide receiver duo in NFL history with 3,000+ passing yards and 1,000+ receiving yards.
Running back Cedric Benson (4,176) became the fifth Bengals running back to reach 4,000 career rushing yards.
Won the AFC North title for the first time since 2006 and secured a first-round bye.
Team went undefeated against the AFC North for the first time.
Posted a perfect 8-0 record at home in 2011.
Running back Ray Rice recorded an NFL-best 2,068 scrimmage yards and became the first Raven ever to have at least 1,700 scrimmage yards in three consecutive seasons.
Rice rushed for 204 yards in Week 13 and joined Priest Holmes (227 on November 22, 1998) and Jamal Lewis (295 on September 14, 2003; 205 on December 21, 2003) as the only players in franchise history to rush for 200 yards in a game.
Tied a franchise record with nine sacks in a Week 12 victory over San Francisco.
Team qualified for the postseason for the seventh time since realignment in 2002. Club has 33 postseason victories, tied with Dallas for the most in NFL history.
Quarterback Ben Roethlisberger had 4,077 passing yards and has recorded the only two 4,000-yard seasons in franchise history.
Running back Rashard Mendenhall (29) surpassed Hall of Famer Franco Harris (28) for the most rushing touchdowns in the first four seasons of a career in franchise history. Hebecame the eighth player in Steelers history with at least 25 rushing touchdowns.
Wide receiver Hines Ward became the first player in franchise history to record 1,000 career receptions.
Mike Tomlin became the sixth head coach to win at least nine games in each of his first five seasons since 1970.
Tomlin joined Pro Football Hall of Famer Chuck Noll (193), Bill Cowher (149) and Raymond "Buddy" Parker (51) as the only head coaches in franchise history to reach 50 regular-season wins.