One team lost all their games in a 14 game season, Tampa Bay in 1976. That stribg was a rough one, they lost 26 games in a row.
Also the Detroit Lions lost all of their games in the 2008-2009 season going 0-16
Jeff George
Rangers, twins
Regular season: Patriots & Panthers Regular season & Playoffs: Panthers
The 1976 Tampa Bay Buccaneers went 0-14. The 1960 Dallas Cowboys went 0-11-1. The 2009 Detroit Lions went 0-16.
Rutgers
The Detroit lions went 0-16 in the 2008 season.
The Texans, Vikings, and the Ravens.
A total of 127 teams have had two 20 game winners.
Through the 2009 season, that would be the Houston Texans.
Chicago Bulls won 72 games with a record of 72-10 in the 1995-96 regular season. :)
Don't know if there are multiple teams, but the Houston Texans are (0-10) vs the Colts in Indy.
Through the 2011 regular season, the two teams have never met in football.