Top 10 most expensive Premier League transfers of the summer so far featuring Arsenal and Chelsea buys

4. Ander Herrera – Athletic Blibao to Manchester United, £28.9m

In a period of 24 hours the Red Devils spent over £55m on two new faces and this Spaniard was a target for United 12 months ago, although at that time chief executive Ed Woodward couldn’t broker the deal and Marouane Fellaini was bought for £27.5m instead.