During 2010–11 pre-season training, Čech reaggravated the calf injury he suffered against Inter the previous season. Scans revealed a muscle tear that sidelined him for the next three weeks, including Chelsea's 3–1 loss to Manchester United in the Community Shield. He returned on 14 August and kept a clean sheet as Chelsea beat West Bromwich Albion 6–0. Čech then kept another clean sheet in a 2–0 win over Arsenal, before keeping a clean sheet in a 0–0 draw at Villa Park. On 7 March, Čech made his 300th Chelsea appearance, against Premier League side Blackpool, which Chelsea went on to win 3–1. On 19 May, Čech was awarded the Chelsea Player of the Year for the first time. More than 28,000 fans voted for the award, which was handed over by Chelsea manager Carlo Ancelotti.