Plymouth Argyle Football Club is an English association football club based in Plymouth, Devon. The 2010–11 season is their 108th as a professional club, their 86th as a member of the Football League and 39th in the third tier of the English football league system. The club's 23rd-place finish in the 2009–10 Championship season means they are competing in League One for the first time since 2004, when they were promoted as champions. It officially began on 1 July 2010 and ends on 30 June 2011, with competitive fixtures taking place between August and May.

The 2009–10 season was the club's sixth consecutive season back in the second tier of English football, known as the Championship. It was manager Paul Sturrock's third season back at the club after returning to Home Park from Swindon Town. He was replaced by Paul Mariner in December 2009 due to poor results, which had seen the club drop into the relegation zone. Argyle were relegated with two matches still to play after a defeat at home to Newcastle United, which saw the visitors claim the league title.Yoann Folly, David McNamee, and Lloyd Saxton were released after being informed that their contracts weren't being renewed, and defender Gary Sawyer also departed. A statement in May said that the club would seek a new manager and Paul Mariner would revert to his previous role as head coach.Jamie Mackie joined Queens Park Rangers two weeks later for an undisclosed fee.Bondz N'Gala joined the club from West Ham United on a free transfer, and Rory Patterson was signed for an undisclosed fee from Glentoran, before the club confirmed Peter Reid as their new manager in June 2010.

...
Wikipedia