The 1948 Cleveland Browns of the All American Football Conference had a regular season record of 14-0 and won the AAFC championship game over the Buffalo Bills to become the first professional football team to go through an entire season, including playoffs, undefeated.
The Cleveland Browns moved to Baltimore and became the Ravens for the 1996 NFL season. A new Cleveland Browns expansion team formed for the 1999 NFL season.
1 year
The Browns became the Baltimore Ravens after the 1995 season. The NFL arranged for a new Cleveland Browns team to begin playing in 1999.
The Cleveland Browns franchise moved to Baltimore and became the Ravens after the 1995 National Football League season. The City of Cleveland obtained a replacement Browns team in 1999.
The 1972 Miami Dolphins had the undefeated season, and also won the superbowl the next season as well.
The Cleveland Browns have had a rough existence as a franchise. As the team opens their 2014-15 season, they have had 37 winning seasons in their 66 year history.
The Browns had a 6 and 10 record under belichick his first year in Cleveland.
They didnt, the cleveland browns are still a team
1972
Yes, the Patriots were undefeated through the season and lost to the Giants in the 2007 season
The Titans have never had an undefeated season. Their best seasons have been 13-3 on three occasions.
2004