The Green Bay Packers.
Oilers
The team with the most losses in NFL history is the Tampa Bay Buccaneers.
The Tampa Bay Buccaneers hold the title for being the NFL team with the most losses in history.
sanfrancisco
The Dallas Cowboys have 26 10+ win seasons, the most all time in the nfl. Dallas achieved this feat in 50 nfl seasons of play. The Green Bay Packers are 2nd all time with 25 10+ win season. This was accomplished in 92 nfl seasons.
Cinncinnati bengals
Oakland Raiders
well it would be the Oakland raiders they are the worst team in history
University of miami
2009 Oakland raiders
the Dallas Cowboys have been in the most superbowls in nfl history. However the Pittsburgh steelers have won the most superbowls in nfl history as of 2008.
The Chicago Bears have the most victories in NFL history. They are 744-568-42.