Gossip column: Sagna, Robben, Kroos, Benatia, Dzeko
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.
Manchester City are poised to complete the signing of Bacary Sagna, 31, after the France international rejected an improved offer to stay with Arsenal.
New Manchester United manager Louis van Gaal wants to sign Dutch winger Arjen Robben, 30, to play alongside his Bayern Munich team-mate Toni Kroos, 24, at Old Trafford with a £20m deal for the midfielder already done.
Roma defender Mehdi Benatia, 27, has gone back to the top of Manchester City's shopping list as Porto's Eliaquim Mangala, 23, stalls on a possible move to the Premier League champions.
Manchester City striker Edin Dzeko is a £20m target for Valencia. The 28-year-old is entering the final year of his contract and has yet to be offered a new deal.
Liverpool are considering bidding for Barcelona's World Cup-winning striker Pedro, 26, with the Spanish club willing to sell.
But Liverpool's hopes of signing England midfielder Adam Lallana, 26, before the World Cup have hit a stumbling block because of Southampton's £25m valuation.
Tottenham midfielder Sandro, 25, wants to move to Italy this summer, according to his agent.
Newcastle must offer Lyon striker Bafetimbi Gomis £100,000 per week if they want to sign him this summer. The 28-year-old becomes a free agent next month.
Swansea boss Garry Monk has warned Arsenal and Liverpool that Spanish striker Michu, 28, is not for sale.
Arsenal are considering Toulouse right-back Serge Aurier, 22, as a potential replacement for Sagna.
Liverpool's former Swansea boss Brendan Rodgers is ready to return to Wales to recruit Swans goalkeeper Michael Vorm, 30, and Cardiff City defender Steven Caulker, 22.
Wolves' out-of-contract defender Richard Stearman, 26, is in demand, but not by Middlesbrough.
Manchester United coach and former defender Phil Neville is still waiting to hear what role he may have under Van Gaal in the Dutchman's management team at Old Trafford.
Manchester City are likely to be allowed to use a smaller number of home-grown players in the Champions League next season after being forced to operate with a small squad under financial fair play sanctions.
City will hold talks with unsettled midfielder Yaya Toure, 31, after the World Cup.
But England international James Milner, 28, is still intent on leaving the Etihad this summer after rejecting a new contract.
Liverpool defender Daniel Agger, 29, believes manager Brendan Rodgers does not think he is good enough to play in the Reds' first team.
Leyton Orient manager Russell Slade, 53, insists he is happy at the League One play-off finalists despite being linked to the vacancy at Premier League West Bromwich Albion.
Former England striker Alan Smith, 33, has signed for Notts County - even though he does not know how much he will be paid.
You can comment on the latest gossip on the BBC Sport Facebook page.