Per Mertesacker of Arsenal during a training session at London Colney on January 18, 2017 in St Albans, England.
{"Image ImageDescription": "ST ALBANS, ENGLAND - JANUARY 18:  Per Mertesacker of Arsenal during a training session at London Colney on January 18, 2017 in St Albans, England.  (Photo by Stuart MacFarlane/Arsenal FC via Getty Images)", "Image Copyright": "2017 The Arsenal Football Club Plc"}