Old School NFL

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Across
  1. 3. The shorthand term for the original league name
  2. 6. Green Bay's first team name (2 Words)
  3. 8. Houston's team before the Texans
  4. 9. The original home of the Colts
  5. 10. Only Super Bowl MVP winner to play for the losing team
  6. 11. The residence of the original Texans. They're the Chiefs now
  7. 13. The year the Dolphins became perfect
Down
  1. 1. The Bears weren't the only team in Chicago
  2. 2. Formerly of Duluth. Stepped out of Alaska
  3. 4. Not just a baseball team
  4. 5. Inaugural NFL season
  5. 7. The geometrical team of Dayton, Ohio
  6. 12. last name of the only kicker to win MVP