as well as the quarter final of the FA cup before a 2–1 defeat at Stoke City. On 15 May 2011, West Ham's relegation to the Championship was confirmed after a comeback from Wigan at the DW Stadium. With West Ham leading 0–2 at half-time through two Demba Ba goals, Wigan battled back to win 3–2 thanks to an added-time strike from Charles N'Zogbia. Following the loss, West Ham announced the sacking of manager Avram Grant just one season into his tenure. On 1 June 2011, Sam Allardyce was appointed as manager as Grant's replacement. The club finished third in the 2011–12 Football League Championship with 86 points and took part in the play-offs. They beat Cardiff City in the play-off semi-final 5–0 on aggregate to reach the final against Blackpool at Wembley on 19 May 2012. Carlton Cole opened the scoring, and although Blackpool equalised early in the second half, Ricardo Vaz Tê scored the winner for West Ham in the 87th minute. West Ham, on their return to the Premier League, signed former players James Collins and George McCartney on permanent deals, as well as record signing Matt Jarvis and Andy Carroll on loan. They won their first game of the season, on 18 August 2012, 1–0 against Aston Villa thanks to a Kevin Nolan goal. The highlight of the first half of the season was a 3–1 home win against reigning European champions Chelsea on 1 December 2012 which saw them in eighth position and 12th at the end of the year. On 22 March 2013, West Ham secured a 99-year lease deal on the Olympic Stadium, with it planned to be used as their home ground from the 2016–17 season. Tenth place was secured at the end of the season with nine home wins and only three away from home. Only 11 away goals were scored, the lowest of the entire league. In 2013–14, West Ham finished 13th in the Premier League. They also reached the semi-finals of the League Cup before losing 9–0 on aggregate to eventual cup-winners Manchester City. A feature of the season were the criticisms of manager Sam Allardyce by supporters relating to his perceived negative playing tactics. West Ham finished 12th in the 2014–15 Premier League, one place higher than the previous season. Minutes after the last game of the season, on 24 May 2015, the club announced that Allardyce's contract