 Complete the following phrase:  Following the appointment of Roberto Di Matteo as interim manager, Kalou fought his way back into the first-team squad; under André Villas-Boas, he was frozen out, only making four starts in over seven months. Kalou scored his first goal in the seasons edition of the FA Cup when Chelsea defeated Leicester City 52 at Stamford Bridge. This goal put him alongside Sergio Agüero as the only players to score in the Premier League, League Cup, FA Cup and Champions League in the season. Kalou then netted a vital away goal in the first leg of their Champions League quarter-final clash with Benfica after some great work from strike partner Ferdo Torres. Chelsea won the game 10. Kalous goal against Benfica was his 58th for the club. On 29 March 2012, he claimed he had been frozen out by former Chelsea manager André Villas-Boas. On 21 April, Kalou made his 250th appearance for Chelsea in a 00 draw away to rivals Arsenal. He started both the 