In 1977http://www.nfl.com/history/chronology/1971-1980
Beginning in 1978, the NFL increased its schedule from 14 to 16 games.
1967
No, the Miami Dolphins went 14-0 in the 1972 NFL season. There were only 14 games in the regular season at that time.
1978
YES!
He was drafted in 2006.
Yes, at least a year.
16 days
Number of games in an NFL Season: 561The breakdown:Preseason: 32 teams, 4 games each + Hall of Fame Game = 37Regular season: 32 teams, 16 games each = 512Playoffs: Wild Card: 4 games; Divisional: 4 Games; Conference: 2 GamesSuper BowlProbowl
There have been 2 teams to go 0 and 16, the 2008 Lions and 2017 Browns.
The 2008 Detroit Lions are the only team to do so.