Chelsea's English defender Gary Cahill (L) and Chelsea's Spanish defender Marcos Alonso (2L) warm up at a training session at Chelsea's Cobham training facility in Stoke D'Abernon, southwest of London on the eve of their UEFA Champions League Group C football against Roma on October 30, 2017. / AFP PHOTO / Daniel LEAL-OLIVAS (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)
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