Where the Premier League clubs could be doing business in January

The January transfer window has not yet opened and already a huge deal has been agreed, with Virgil van Dijk heading from Southampton to Liverpool for what is understood to be £75million, the highest price ever paid for a defender.
Here, we look at each of the 20 Premier League clubs in terms of areas in which they need or may need strengthening and the business they might do after the window opens on Monday.