I believe its the Cleavland Browns
they've never won a football state championship.
The Maine Bears have never won a National Championship in football.
The 1898 Italian Football Championship was won by Genoa.
The 1899 Italian Football Championship was won by Genoa.
The 1900 Italian Football Championship was won by Genoa.
The 1902 Italian Football Championship was won by Genoa.
The 1903 Italian Football Championship was won by Genoa.
The 1904 Italian Football Championship was won by Genoa.
The 1905 Italian Football Championship was won by Juventus.
The 1907 Italian Football Championship was won by Milan.
The 1901 Italian Football Championship was won by Milan C.F.C.
The 1906 Italian Football Championship was won by Milan C.F.C.