Transfer news LIVE: Manchester United, City, Arsenal, Liverpool and Chelsea latest from the January window

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Manchester United have finally made a breakthrough in their pursuit of Alexis Sanchez.

Mirror Sport understands Sanchez left Arsenal’s team hotel last night just before 11pm and was bound for Manchester to complete his move to Old Trafford.

Sanchez will undergo a medical TODAY with United in action against Burnley.

The Chilean will finalise his switch in a deal that will see Henrikh Mkhitaryan move in the opposite direction.

Meanwhile, Pierre-Emerick Aubameyang didn't play for Dortmund last night as he nears a move to Arsenal.

The striker is expected to complete his £60million move after the Gunners identified him as a replacement for Sanchez.

United have offered Sanchez a four-and-a-half-year contract with an annual income of £27m before tax, or just over £500,000 each week. United could face an overall outlay of over £150m for the former Barcelona player.

Stay tuned as we'll bring you all the latest done deals, new contracts, rumours, gossip and everything else ahead of the window's opening, here - in association with Ladbrokes.