Manchester City have already won the winter window with Marc Guehi bargain buy: GOAL's transfer grades for the 2026 January transfer market

January is a notoriously bad time for buyers because nobody ever wants to sell top talent midway through the season. There are, however, exceptions to the rule. Some clubs need to raise funds to balance the books, while others can be left with not option but to unload an unhappy player who has made it clear that he wants to join a stronger side.

For the most part, though, getting good value for money is difficult, as we saw during the last winter window. Manchester City spent almost £180 million on six players a year ago, and not one of them has been an unqualified success.

Of course, that won't stop teams splashing the cash this month, as they look to either maintain their momentum or turn their season around. As a result, GOAL is once again on hand to grade the biggest January deals from the perspective of the two clubs involved, and the player himself...