The 2011 Football League One play-off final was a football match contested by Huddersfield Town and Peterborough United on 29 May 2011 at Old Trafford to decide the third team to be promoted from League One to the Championship for the 2011–12 season.Under League One play-off rules, the final is contested by the two teams which secured an aggregate victory over two-legged semi-finals, with the team that finished sixth in the league table (Bournemouth) having played third (Huddersfield Town), and fifth (Milton Keynes Dons) having played fourth (Peterborough United).Peterborough United won the match by a scoreline of 3–0, with goals from Tommy Rowe, Craig Mackail-Smith and Grant McCann in the later stages of the second half.