The transfer mill is churning once again, with Chelsea believed to be lining up a move for Brian Brobbey, the forward from Sunderland. Sources close to the club suggest they are exploring options to reinforce their squad ahead of the run-in. Tottenham, Man Utd and Bayern Munich remain in the background, but for now, Chelsea are leading the way in ongoing talks. Chelsea have been strong going forward this season, with 48 goals scored in 27 games (1.78 per game). Brian Brobbey would give them depth and keep that attacking firepower going all season. Chelsea have recently been linked with Florian Wirtz, Diogo Costa and Yasin Abbas Ayari while Sunderland have had no rumoured targets. Follow us on Twitter @PlayerSwitchCom and get the latest Chelsea transfer news and rumours direct to your feed.