The money spent on the 25-year-old Swiss international, who signed a four-year deal, takes the total outlay by the clubs to £2.37 billion, passing the previous mark of £2.36 billion in the summer of 2023. That total will only grow as there is still over a week to go before the transfer window closes.

The Premier League's transfer spending spree reached record levels with more than a week of trading to go as promoted Leeds United signed AC Milan forward Noah Okafor for a reported 18 million pounds ($24.