#1 – Important transfer window for both clubs
The transfer window opens in a few days and the clubs are already making some amazing signings. The mid-season window is the best opportunity for clubs to get players who can help them achieve their season's goal and it's going to be very interesting to see who signs whom.
Chelsea need a striker and a wing-back at any cost in January. Michy Batshuayi is not good enough to help Chelsea win a silverware and Marcos Alonso needs competition, or else he'll be performing at the same level.
Apart from that, Chelsea would also be benefited if they get an attacking midfielder who can play on the wings as well. They have been linked with Leon Bailey and Thomas Lemar and if they get one of them, it might be enough to win a piece of silverware.
Brighton, as mentioned in point #4, need a striker. Someone who can convert those half chances and pop up behind the opponents defence. Signing a midfielder would be a good thing to do as well.