Chelsea could turn their attention towards Everton’s Amadou Onana late in this January window if Conor Gallagher does leave Stamford Bridge. That is according to transfer speculation this week. We’re into the final week of the transfer window for clubs to complete business, so will we see any arrivals or exits at Stamford Bridge? Blues midfielder Conor Gallagher, 23, is a popular name in the rumour mill. In fact, journalist David Ornstein recently told Sky Sports that he still wouldn’t rule out the possibility of Gallagher leaving Chelsea in January amid interest from rivals Tottenham. Our pre…