EFL League One
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1992–2004 (as Division Two)
1958–1992 (as Division Three)
1921–1958 (as Division Three North/South)
1920–1921 (as Division Three)
|Number of teams||24|
|Level on pyramid||3|
|Relegation to||League Two|
|Domestic cup(s)||FA Cup|
|League cup(s)||EFL Cup|
|International cup(s)||Europa League|
(via FA Cup or EFL Cup)
|Current champions||Luton Town |
|TV partners||Sky Sports|
Quest (highlights only)
|2019–20 EFL League One|
The English Football League One (often referred to as League One for short or Sky Bet League One for sponsorship reasons) is the second-highest division of the English Football League and the third tier overall in the entire English football league system.
League One was introduced for the 2004–05 season. It was previously known briefly as the Football League Second Division and for much longer, prior to the advent of the Premier League, as the Football League Third Division.
At present (2018–19 season), Walsall hold the longest tenure in League One, last being out of the division in the 2006–07 season when they were promoted from League Two. There are currently seven former Premier League clubs competing in League One, namely Barnsley (1997–98), Blackpool (2010–11), Bradford City (2000–01), Charlton Athletic (2006–07), Coventry City (2000–01), Portsmouth (2009–10) and Sunderland (2016–17).
There are 24 clubs in League One. Each club plays every other club twice (once at home and once away). Three points are awarded for a win, one for a draw and zero for a loss. At the end of the season a table of the final League standings is determined, based on the following criteria in this order: points obtained, goal difference, goals scored, an aggregate of the results between two or more clubs (ranked using the previous three criteria) and, finally, a series of one or more play-off matches.
At the end of each season the top two clubs, together with the winner of the play-offs between the clubs which finished in 3rd–6th position, are promoted to EFL Championship and are replaced by the three clubs that finished at the bottom of that division.
Similarly, the four clubs that finished at the bottom of EFL League One are relegated to EFL League Two and are replaced by the top three clubs and the club that won the 4th–7th place play-offs in that division.
Sky Sports currently show live League One matches with highlights shown on Quest TV on their show EFL on Quest. Highlights of all games in the Football League are also available to view separately on the Sky Sports website. In Sweden, TV3 Sport has the rights of broadcasting from the league. A couple of league matches during the season of 09/10 including play-off matches and the play-off final to the Championship were shown. In Australia, beIN Sports broadcasts live Championship matches. In the USA and surrounding countries including Cuba and Puerto Rico, some EFL Championship, EFL League One and EFL League Two games are shown on ESPN. In Spain, DAZN broadcasts live matches from League One and League Two.
The following 24 clubs competed in League One during the 2019–20 season.
Teams promoted from League One
|Season||Winner||Runner-up||Promoted Play-off Winner (Position)|
|2004–05||Luton Town||Hull City||Sheffield Wednesday (5th)|
|2005–06||Southend United||Colchester United||Barnsley (5th)|
|2006–07||Scunthorpe United||Bristol City||Blackpool (3rd)|
|2007–08||Swansea City||Nottingham Forest||Doncaster Rovers (3rd)|
|2008–09||Leicester City||Peterborough United||Scunthorpe United (6th)|
|2009–10||Norwich City||Leeds United||Millwall (3rd)|
|2010–11||Brighton & Hove Albion||Southampton||Peterborough United (4th)|
|2011–12||Charlton Athletic||Sheffield Wednesday||Huddersfield Town (4th)|
|2012–13||Doncaster Rovers||Bournemouth||Yeovil Town (4th)|
|2013–14||Wolverhampton Wanderers||Brentford||Rotherham United (4th)|
|2014–15||Bristol City||Milton Keynes Dons||Preston North End (3rd)|
|2015–16||Wigan Athletic||Burton Albion||Barnsley (6th)|
|2016–17||Sheffield United||Bolton Wanderers||Millwall (6th)|
|2017–18||Wigan Athletic||Blackburn Rovers||Rotherham United (4th)|
|2018–19||Luton Town||Barnsley||Charlton Athletic (3rd)|
For past winners at this level before 2004, see List of winners of English Football League One and predecessors.
Financial Fair Play
Starting from the 2012–13 season, a Financial Fair Play arrangement has been in place in all 3 divisions of the Football League, the intention being eventually to produce a league of financially self-sustaining clubs. In League One, this takes the form of a Salary Cost Management Protocol in which a maximum of 60% of a club's turnover may be spent on players' wages, with sanctions being applied in the form of transfer embargoes. 
- 1920–21 (as Football League Division Three)
- 1921–22 & 1957–58 (as Football League Division Three North/South)
- 1958–59 & 1992–93 (as Football League Division Three)
- 1992–93 & 2003–04 (as Football League Division Two)
- 2016–17 & 2019–20 (as EFL League one)
- "10 former EPL teams that have stepped down the ladder and now play in England's third and fourth tiers".
- "Football Ground Guide". Football Ground Guide. Retrieved 30 November 2016.
- "The Football League – About Us – FAQs – FL Explained – FL Explained – Financial Fair Play in The Football League". Archived from the original on 10 May 2012.
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