| 1966 Week 4
- Baltimore Colts 36, San Francisco 49ers 14
- Buffalo Bills 27, Houston Oilers 20
- Dallas Cowboys 28, Minnesota Vikings 17
- Detroit Lions 28, Atlanta Falcons 10
- Green Bay Packers 24, Los Angeles Rams 13
- Kansas City Chiefs 43, Boston Patriots 24
- New York Jets 16, Denver Broncos 7
- Philadelphia Eagles 35, New York Giants 17
- San Diego Chargers 29, Oakland Raiders 20
- St. Louis Cardinals 34, Cleveland Browns 28
- Washington Redskins 33, Pittsburgh Steelers 27
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