By Kieran King Roy Keane says Arsenal cannot afford to get carried away after keeping within touching distance of league leaders Liverpool in the Premier League title race. Mikel Arteta’s side recorded their joint biggest away league win ever as they romped to a thumping 6-0 victory against West Ham on Sunday. Bukayo Saka struck a brace, while William Saliba, Gabriel, Leandro Trossard and Declan Rice also netted for the rampant Gunners at the London Stadium. It was an emphatic performance from Arsenal, who now sit level on points with Manchester City and two behind Liverpool. The Gunners have …