8-4 by the 1947 Philadelphia Eagles, 1951 Los Angeles Rams, 1952 Cleveland Browns, 1957 Detroit Lions, and 1960 Green Bay Packers.
9-7 in the regular season, 0-1 in the playoffs.
371-379-6 in the regular season - 14-19 in the playoffs.
117-123 in the regular season, 6-4 in the playoffs.
88
12-4 in the regular season, 14-5 including the playoffs.
147-93 in the regular season, 8-10 in the playoffs.
Bruins
13-3 in the regular season, 2-1 in the playoffs.
The 1972 Miami Dolphins posted a 17-0 record (regular season and playoffs).
Since 2002, the Patriots are 3-2 versus the Steelers in regular season play and 1-0 in post season play. 2002 Regular Season New England 30 Pittsburgh 14 Playoffs Did Not Play 2003 Regular Season Did Not Play Playoffs Did Not Play 2004 Regular Season New England 20 Pittsburgh 34 Playoffs: AFC Conference Championship Game New England 41 Pittsburgh 27 2005 Regular Season New England 23 Pittsburgh 20 Playoffs Did Not Play 2006 Regular Season Did Not Play Playoffs Did Not Play 2007 Regular Season New England 34 Pittsburgh 13 Playoffs Did Not Play 2008 Regular Season New England 10 Pittsburgh 33 Playoffs Did Not Play
84-123 regular season. 4-3 in the playoffs.
93-50-1 in the regular season, 6-5 in the playoffs.