Highest spending by football clubs in a single transfer window (same division)

The highest spending by football clubs from the same division in a single transfer window is a reported £1,165,000,000 (€1,370,070,000; $1,527,270,000) achieved by the English Premier League in the 2016 summer transfer window from 1 July to 1 September 2016.

During this transfer window the record for the most expensive football player in a single transfer was broken when Manchester United bought Paul Pogba (France) from Juventus for around £89.1 million.