The Foxes were relegated from the Championship last season and will be looking to gain promotion straight away.
Outsiders include Stockport County, who were promoted to League One yesterday following a 3-2 win over Rochdale in the League Two play-off final and Cheltenham, who escaped relegation with a victory over League One play-off winners Doncaster Rovers on the last day of the season.
League One odds 2008/09 (to win the league):
Leeds 4/1 Leicester 5/1 Colchester 12/1 Carlisle 12/1 Peterborough 12/1 Scunthorpe 14/1 MK Dons 14/1 Tranmere 16/1 Southend 16/1 Brighton 20/1 Huddersfield 20/1 Oldham 20/1 Bristol Rovers 25/1 Northampton 25/1 Swindon 25/1 Hereford 33/1 Millwall 33/1 Hartlepool 33/1 Leyton Orient 33/1 Crewe 40/1 Yeovil 40/1 Walsall 50/1 Cheltenham 66/1 Stockport 66/1