Chelsea boss has confirmed that one of his key players could be missing for Monday night’s fixture against Newcastle United. The Magpies travel down to the capital as they look to make it Premier League two wins in a row for the first time since early December when Newcastle beat both Man United and Monday’s opponents consecutively. Speaking in his press conference ahead of the game, Pochettino stated that Conor Gallagher had not trained for the last three days because of a virus and there is a chance he could miss the game. Newcastle target will be missing for ChelseaNewcastle have been track…