Npower League one is the third-tier leagues of English professional soccer.
The league consists of 24 teams, two of which will be automatically promoted at the end of the season. Teams that finish between third and sixth place play a knockout tournament with the winner also gaining promotion.
At the other end of the division, the bottom four clubs go down.
The third tier is a strange mix of large clubs formerly in the top two divisions and smaller regional clubs whose ambition is to stay in that league.
However, past history does not necessarily correspond with success in the division, and many large clubs have been stunned by League One’s competitive nature.
Here’s a look at the 24 clubs.