Other football leagues in 1966:    
AFL
The AFL and the NFL champions faced each other in the first annual Super Bowl at the end of the season to determine an overall champion.  

1966 NFL Season

15 teams competed during the regular season
Green Bay Packers finished in 1st place to claim the championship

Commissioner
Player Attorney
Player President

1966 NFL Draft

Pick Player Team
1 Tommy Nobis LB Falcons
1 Jim Grabowski RB Dolphins
2 Tom Mack G Rams
3 Dick Leftridge RB Steelers
4 Randy Beisler DE Eagles