By Ewan Murray While it may not have been the busiest January transfer window of recent years, a number of clubs were still active in the market. Plenty of high-profile deals were struck across the globe, with the likes of Barcelona, Paris Saint-Germain and Bayern Munich all taking this opportunity to strengthen their squads going into the second half of the campaign. Here are the ten most expensive deals of the 2024 January transfer window. 10. Cyril Ngonge (Hellas Verona to Napoli)Transfer fee: £15.5m Cyril Ngonge spent the majority of his early career in the Netherlands before making the mo…