MANCHESTER, ENGLAND - FEBRUARY 23:  Eliaquim Mangala, Samir Nasri, Bacary Sagna and Wilfred Bony of Manchester City jog during a Manchester City training session ahead of the UEFA Champions League round of 16 first leg match against Barcelona at Etihad Campus on February 23, 2015 in Manchester, England.  (Photo by Laurence Griffiths/Getty Images)