sean mannion patrick mahomes jim brown otto graham highest win% in a season
6nfl best win% 1972 to 1975
nfl best win% 1972 to 1975
nfl best win% 1972 to 1974
nfl best win% 1972 to 1973
nfl best win% 1969 to 1973
nfl best win% 1972 to 1976
sean mannion patrick mahomes jim brown highest win% in a season
nfl best win% since 1972
nfl best win% since 2001
nfl best win% since 2008
nfl best win% since 2004
sean mannion patrick mahomes highest win% in a season
nfl best win% since 2011
nfl best win% since 2012
