The Premier League's transfer window is officially open, with all 20 clubs looking to sign fresh talent this summer.
The likes of Manchester United, Liverpool and Arsenal will try to close the gap between themselves and holders Manchester City. At the other end of the table, Sheffield United, Luton and Burnley will try to stay up after promotion from the Championship.
Yet those Premier League clubs will have little chance of completing their objectives if they recruit poorly this summer. With that in mind, here is everything you need to know about the summer transfer window - including the exact moment it will close.
