FILE PHOTO (EDITORS NOTE: COMPOSITE OF IMAGES - Image numbers 1065112934,1040951906 - GRADIENT ADDED) In this composite image a comparison has been made between  Unai Emery, Manager of Arsenal (L) and Maurizio Sarri, Manager of Chelsea.  Arsenal FC and Chelsea FC meet in a Premier League fixture on January 19, 2019 at the Emirates Stadium in London.   ***LEFT IMAGE*** BOURNEMOUTH, ENGLAND - NOVEMBER 25: Unai Emery, Manager of Arsenal looks on prior to the Premier League match between AFC Bournemouth and Arsenal FC at Vitality Stadium on November 25, 2018 in Bournemouth, United Kingdom. (Photo by Dan Mullan/Getty Images) ***RIGHT IMAGE***  LIVERPOOL, ENGLAND - SEPTEMBER 26: Maurizio Sarri, Manager of Chelsea looks on ahead of the Carabao Cup Third Round match between Liverpool and Chelsea at Anfield on September 26, 2018 in Liverpool, England. (Photo by Jan Kruger/Getty Images)