From Profootballhof.com
http://www.profootballhof.com/blog/choudhrys-chronicles/2011/01/18/playoffs-the-conference-championships/
1971 AFC – Miami Dolphins 21, Baltimore Colts 0
Regular season: Both teams had one win each
1972 NFC – Washington Redskins 26, Dallas Cowboys 3
Regular season: Both teams had one win each
1977 AFC – Denver Broncos 20, Oakland Raiders 17
Regular season: Both teams had one win each
1978 AFC – Pittsburgh Steelers 34, Houston Oilers 5
Regular season: Both teams had one win each
1979 AFC – Pittsburgh Steelers 27, Houston 13
Regular season: Both teams had one win each
1980 NFC – Philadelphia Eagles 20, Dallas Cowboys 7
Regular season: Both teams had one win each
1982 AFC – Miami Dolphins 14, New York Jets 0
Regular season: Miami won both regular season games. Note: the 1982 season was shortened to nine games due to a player's strike.
1982 NFC – Washington Redskins 31, Dallas Cowboys 17
Regular season: Dallas won the lone regular season game. Note: the 1982 season was shortened to nine games due to a player's strike.
1983 AFC – Los Angeles Raiders 30, Seattle Seahawks 14
Regular season: Seattle won both regular season games
1985 AFC – New England Patriots 31, Miami Dolphins 14
Regular season: Both teams had one win each
1986 NFC – New York Giants 17, Washington Redskins 0
Regular season: New York won both regular season games
1989 NFC – San Francisco 30, Los Angeles Rams 3
Regular season: Both teams had one win each
1992 AFC – Buffalo Bills 20, Miami Dolphins 10
Regular season: Both teams had one win each
1999 AFC – Tennessee Titans 33, Jacksonville Jaguars 14
Regular season: Tennessee won both regular season games
2008 AFC – Pittsburgh Steelers 23, Baltimore Ravens 14
Regular season: Pittsburgh won both regular season games
http://www.profootballhof.com/blog/choudhrys-chronicles/2011/01/18/playoffs-the-conference-championships/
1971 AFC – Miami Dolphins 21, Baltimore Colts 0
Regular season: Both teams had one win each
1972 NFC – Washington Redskins 26, Dallas Cowboys 3
Regular season: Both teams had one win each
1977 AFC – Denver Broncos 20, Oakland Raiders 17
Regular season: Both teams had one win each
1978 AFC – Pittsburgh Steelers 34, Houston Oilers 5
Regular season: Both teams had one win each
1979 AFC – Pittsburgh Steelers 27, Houston 13
Regular season: Both teams had one win each
1980 NFC – Philadelphia Eagles 20, Dallas Cowboys 7
Regular season: Both teams had one win each
1982 AFC – Miami Dolphins 14, New York Jets 0
Regular season: Miami won both regular season games. Note: the 1982 season was shortened to nine games due to a player's strike.
1982 NFC – Washington Redskins 31, Dallas Cowboys 17
Regular season: Dallas won the lone regular season game. Note: the 1982 season was shortened to nine games due to a player's strike.
1983 AFC – Los Angeles Raiders 30, Seattle Seahawks 14
Regular season: Seattle won both regular season games
1985 AFC – New England Patriots 31, Miami Dolphins 14
Regular season: Both teams had one win each
1986 NFC – New York Giants 17, Washington Redskins 0
Regular season: New York won both regular season games
1989 NFC – San Francisco 30, Los Angeles Rams 3
Regular season: Both teams had one win each
1992 AFC – Buffalo Bills 20, Miami Dolphins 10
Regular season: Both teams had one win each
1999 AFC – Tennessee Titans 33, Jacksonville Jaguars 14
Regular season: Tennessee won both regular season games
2008 AFC – Pittsburgh Steelers 23, Baltimore Ravens 14
Regular season: Pittsburgh won both regular season games