Those teams however, left the league before the 2006 season started.

Of these teams, 7 have left the league for good.

They left the league at the end of season 1937-38.

At the end of season 1904-05 the club left the league.

She could not be reached after leaving the league in 1944.

They left the league again at the end of the 1905-06 season, but returned in 1908.

The team eventually left the league at the end of that season.

Army left the league after two season, but was replaced by Brown.

They left the league again at the end of the following season, but returned in 1923.

However, they left the league at the end of the 1980-81 season.