Roma's French defender  Mapou Yanga-Mbiwa (L) and Belgian midfielder Radja Nianggolan (R) challenge Manchester City's Bosnian striker Edin Dzeko  during the Champions League Group E football match between Manchester City and Roma in Manchester, Northwest England, on September 30, 2014. AFP PHOTO/PAUL ELLIS        (Photo credit should read PAUL ELLIS/AFP/Getty Images)