 Complete the following phrase:  Čech was given the captains armband for Arsenal in their 43 opening day home loss to Liverpool. In September 2016, he featured for the full 90 minutes in a 30 rout by Arsenal of his former side Chelsea at the Emirates. On 24 April 2017, Čech played in the 201617 FA Cup semi-final against Manchester City at Wembley, which Arsenal won 21. During this season, Cech received mild criticism among Arsenal fans for his inability to play with the ball at his feet but meanwhile he had the third most clearances among all goalkeepers in Premier League with 11 which manifested his transformation into a sweeper keeper. Čech again held the captains armband on 10 May 2017 in a 20 win over Southampton at the St Marys Stadium. Čech was sidelined for the 