Chelsea are said to be in formal negotiations with Newcastle over the signing of Lewis Hall. The defender has been a target for some time, and talks are said to be intensifying as the window progresses. The player remains under contract, but movement looks increasingly likely the longer talks go on. Bayern Munich, Barcelona and Arsenal remain in the background, but for now, Chelsea are leading the way in ongoing talks. Chelsea's back line has been a real strength this season, conceding just 1.15 goals per game (31 in 27). Lewis Hall would be expected to slot into that unit and hold his own in an already solid setup. Newcastle have also been linked with Evan N`Dicka, Bazoumana Toure and Rafael Leao while Chelsea are reportedly monitoring Dani Olmo, Morgan Gibbs-White and Dean Henderson. Need more Chelsea transfer rumours? Stay tuned to PlayerSwitch for live transfer news and rumours from across the world of football.