Keynes Dons on 12 May 2010 and was new manager Karl Robinson's first signing at the club. He joined on 1 July 2010. On 3 May 2016, Martin was named the club's Player of the Year for the 2015–16 season. On 20 April 2017, after nine seasons and 339 appearances for the club, Martin announced that he would be leaving MK Dons at the end of the 2016–17 season. Millwall He signed for newly promoted Championship side Millwall on 1 September 2017. At the end of the 2017–18 season, his contract was automatically extended by Millwall. On 17 March 2019, Martin apologised on Twitter following making a 95th minute error in Millwall's FA Cup quarter-final tie against Brighton & Hove Albion to allow Solly March to equalise for Brighton and take the game into extra time. Millwall eventually lost on penalties. West Ham United On 3 June 2019, Martin signed a two-year contract with Premier League side West Ham United, to provide cover for first choice keepers Łukasz Fabiański and Roberto. Martin made his West Ham and Premier League debut on 30 November 2019 after Fabiański picked up an injury and Roberto was dropped due to poor form, keeping a clean sheet in a 1–0 away win against Chelsea; a performance which Martin later described as the best day of his life. At the end of the 2020–21 season, Martin signed a one-year contract extension, seeing him undertake a player-coach role for the 2021–22 season. In May 2022, West Ham announced that Martin would be leaving the club at the end of his contract in June 2022. Milton Keynes Dons (third spell) Martin signed again for former club Milton Keynes Dons on 23 September 2022, agreeing to a player-coach contract. He reunited with Dean Lewington, whom he played alongside for both Wimbledon and Milton Keynes Dons in 2004, and subsequential years for the latter club. International career Martin played for the England under-17 at the UEFA European Under-17 Football Championship in 2003. He played for the England under-19 team at the UEFA European Under-19 Football Championship in 2005, when England were runners-up to France Under 20s in the final held at Windsor Park, Belfast Northern Ireland. He has also been capped once by the England under-20 team. Personal life Martin is the son of former West Ham United player Alvin Martin. His brother Joe is also a footballer. Career statistics