Transfer news LIVE: Alvaro Morata, Kylian Mbappe and Alexis Sanchez latest plus every done deal
The window is not officially open but scores of deals are already in place up and down the country.
Manchester City have wasted no time splashing the cash, while Manchester United and Arsenal have already been active in the transfer market.
The Red Devils are expected to bring in a raft of new recuits, with Real Madrid's James Rodriguez and Alvaro Morata - another star down the striking pecking order at the Bernabeu - on their radar.
Chelsea look set to lose star striker Diego Costa after being told he is surplus to requirements at Stamford Bridge, with Romelu Lukaku set to fill his boots instead as he prepares to return to Stamford Bridge in a big-money move from Everton.
Alexis Sanchez's future at the Emirates is also up in the air, with the Gunners refusing to sell him to any of their Premier League rivals.
Keep up-to-date with all of the latest developments, gossip, news and done deals as they happen right here.