Per Mertesacker Arsene Wenger Laurent Koscielny Christmas jumpers

ST ALBANS, ENGLAND – OCTOBER 21: (L-R) Per Mertesacker, Arsene Wenger the Arsenal Manager and Laurent Koscielny of Arsenal in their Christmas Jumpers to support Save the Children Christmas Jumper Day at London Colney on October 21, 2016 in St Albans, England. (Photo by Arsenal FC/Arsenal FC via Getty Images)