 Complete the following phrase:  He made his debut for Manchester City with a substitute appearance during a 10 victory against Chelsea on 25 September 2010. He followed this with a first competitive start in a 11 Europa League draw with Juventus, playing at right-back. In his one season with City, Boateng made 24 appearances. He also won the 201011 FA Cup despite not being a member of the matchday squad for the 