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With over a century of history that dates back to 1920, the NFL has plenty of memorable seasons.

In the 2016 season, for instance, Tom Brady was his first four games before he orchestrated a to cap the year in the Super Bowl. Then there's the 1985 Chicago Bears and . The 2004 season saw a trio of astounding feats, with Dan Marino's long-standing passing touchdown record, a leading Pittsburgh to a 15-1 record, and Philadelphia's Terrell Owens lighting up the league at wide receiver before a ended his regular season. The strike seasons of 1982 and 1987 were memorable in , too. And who could forget the 1972 Miami Dolphins, the to win a Super Bowl with a perfect record.

It's hard to single out the best NFL season—and harder still to try and qualify or quantify what "best" really is.

But what about the best seasons of a single team? Can we determine the best seasons in a team's history?

To a degree, that's quantifiable, and where this list comes in. compiled the top 10 best seasons in Cleveland Browns history using data that goes back to the first NFL season in 1920. Seasons were ranked based on how far the team progressed in the playoffs in a particular year. Any ties were broken first by each season's regular season record, then by net points per game. Supplemental data points include the team's head coach and, for years after 1931, top passers, rushers, and receivers of specific seasons.

Read on through to find out which seasons count as the Cleveland Browns' best. Of course, there's wiggle room to define what makes a season one of the "best"—take a peek below to see if you agree with how the rankings played out.

#10. 1951
- Regular season record: 11-1
- Playoffs: Lost in NFL championship
- Points per game: 27.6
- Opponent points per game: 12.7
- Net points per game: 14.9
- Head coach: Paul Brown
- Top passer: Otto Graham
- Top rusher: Dub Jones
- Top receiver: Mac Speedie

#9. 1953
- Regular season record: 11-1
- Playoffs: Lost in NFL championship
- Points per game: 29.0
- Opponent points per game: 13.5
- Net points per game: 15.5
- Head coach: Paul Brown
- Top passer: Otto Graham
- Top rusher: Ray Renfro
- Top receiver: Dante Lavelli

#8. 1964
- Regular season record: 10-3-1
- Playoffs: Won NFL championship
- Points per game: 29.6
- Opponent points per game: 20.9
- Net points per game: 8.7
- Head coach: Blanton Collier
- Top passer: Frank Ryan
- Top rusher: Jim Brown
- Top receiver: Paul Warfield

#7. 1954
- Regular season record: 9-3
- Playoffs: Won NFL championship
- Points per game: 28.0
- Opponent points per game: 13.5
- Net points per game: 14.5
- Head coach: Paul Brown
- Top passer: Otto Graham
- Top rusher: Maurice Bassett
- Top receiver: Dante Lavelli

#6. 1955
- Regular season record: 9-2-1
- Playoffs: Won NFL championship
- Points per game: 29.1
- Opponent points per game: 18.2
- Net points per game: 10.9
- Head coach: Paul Brown
- Top passer: Otto Graham
- Top rusher: Fred Morrison
- Top receiver: Pete Brewster

#5. 1950
- Regular season record: 10-2
- Playoffs: Won NFL championship
- Points per game: 25.8
- Opponent points per game: 12.0
- Net points per game: 13.8
- Head coach: Paul Brown
- Top passer: Otto Graham
- Top rusher: Marion Motley
- Top receiver: Dante Lavelli

#4. 1949
- Regular season record: 9-1-2
- Playoffs: Won AAFC championship
- Points per game: 28.3
- Opponent points per game: 14.3
- Net points per game: 14.0
- Head coach: Paul Brown
- Top passer: Otto Graham
- Top rusher: Marion Motley
- Top receiver: Mac Speedie

#3. 1946
- Regular season record: 12-2
- Playoffs: Won AAFC championship
- Points per game: 30.2
- Opponent points per game: 9.8
- Net points per game: 20.4
- Head coach: Paul Brown
- Top passer: Otto Graham
- Top rusher: Marion Motley
- Top receiver: Dante Lavelli

#2. 1947
- Regular season record: 12-1-1
- Playoffs: Won AAFC championship
- Points per game: 29.3
- Opponent points per game: 13.2
- Net points per game: 16.1
- Head coach: Paul Brown
- Top passer: Otto Graham
- Top rusher: Marion Motley
- Top receiver: Mac Speedie

#1. 1948
- Regular season record: 14-0
- Playoffs: Won AAFC championship
- Points per game: 27.8
- Opponent points per game: 13.6
- Net points per game: 14.2
- Head coach: Paul Brown
- Top passer: Otto Graham
- Top rusher: Marion Motley
- Top receiver: Mac Speedie