For a list of confirmed transfers, check out the transfers page.
Visit our manager ins and outs page for a list of all the current bosses in the top five leagues in England and the Scottish Premiership.
Liverpool have moved ahead of Manchester United in the race to sign 22-year-old Portugal and Sporting Lisbon midfielder William Carvalho, who has a £37m release clause in his contract.
Chelsea have offered striker Romelu Lukaku, 21, to Atletico Madrid as part of a deal to sign 25-year-old forward Diego Costa from the Spanish club.
Manchester United are weighing up moves for Borussia Dortmund centre-back Mats Hummels, 25, and Feyenoord defender Bruno Martins Indi, 22.
West Ham are leading the chase to sign 24-year-old Sunderland midfielder Jack Colback, whose contract expires this summer.
Swansea face competition from Greek side Olympiakos for the signature of 28-year-old Levante midfielder Papakouli Diop.
Brazil defender David Luiz, 27, is set to leave Chelsea for Barcelona following this summer's World Cup.
Crystal Palace boss Tony Pulis is planning to raid relegated Norwich for goalkeeper John Ruddy, 27, who is on standby for England's World Cup squad.
Blackpool's 22-year-old winger Tom Ince - who finished the season on loan at Crystal Palace - could follow in his father Paul's footsteps by joining Inter Milan.
Real Valladolid striker Javi Guerra, 32, will join Cardiff City next season despite their relegation to the Championship, says boss Ole Gunnar Solskjaer.
Strikers Luuk de Jong, 23, and Shola Ameobi, 32, are among seven players expected to leave Newcastle this summer.
England left-back Luke Shaw, 18, will join Manchester United from Southampton for £27m before the World Cup in Brazil.
Southampton are holding out for £25m for England midfielder Adam Lallana after Liverpool made a £20m bid on Monday.
Tim Sherwood was sacked as Tottenham manager following a 45-minute meeting with club chairman Daniel Levy.
Pepe Mel says part of the reason for his departure as West Brom boss was his unwillingness to "betray his style of football".
England manager Roy Hodgson will ban agents from the team's camp as he does not want his players to be distracted by potential transfers prior to and during the World Cup.
Manchester United and England striker Wayne Rooney, 28, has gone on holiday to Portugal with two fitness trainers to make sure his groin problem is sorted out before the start of next month's World Cup.
West Brom want Tottenham manager Tim Sherwood to take over from Spaniard Pepe Mel, who left the Baggies on Monday.
But Sherwood faces competition from Gianfranco Zola, Celtic boss Neil Lennon and Aberdeen manager Derek McInnes - a former West Brom midfielder - to take over at The Hawthorns.
Former Manchester United manager David Moyes, ex-Cardiff City boss Malky Mackay and former Norwich manager Chris Hughton are also being linked with the West Brom post.
West Ham boss Sam Allardyce is set to find out on Tuesday whether he will keep his job as he is scheduled to hold talks with the Hammers board.
Newcastle owner Mike Ashley will keep Alan Pardew as manager and make £60m available in transfer funds over the summer.
Aston Villa manager Paul Lambert will fly to the United States this week to hold talks about his future after the club's owner put the club up for sale.
West Ham striker Andy Carroll, put on stand by for the World Cup by England boss Roy Hodgson, says he would rather be in Brazil than on holiday with his girlfriend in Dubai.
You can comment on the latest gossip on the BBC Sport Facebook page.