Related Clues:

• Block-and-tackle gp.?
• Lombardi Trophy awarder: Abbr.
• NFL half
• Div. for the Dolphins
• Giants' org.
• Bears' org.
• Patriots' conference: Abbr.
• Bills are in it: Abbr.
• The Cleveland Browns were among its original teams: Abbr.
• HBO's "Inside the __" (and hidden theme in this puzzle's four longest answers)
• Cowboys' org.
• Steelers' gp.
• Org. with Eagles and Falcons
• Bills' org.
• Gp. with Raiders and Ravens