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.
Tottenham are interested in signing 27-year-old Benfica defender Ezequiel Garay, who has been linked with a move to Manchester United, as they plan for the possible departure of Jan Vertonghen, 26.
Chelsea are prepared to let striker Romelu Lukaku, 20, leave in the summer and hope he can increase his value with his performances for Belgium at the 2014 World Cup in Brazil.
Newcastle and West Ham are vying for the signature of 25-year-old Manchester City right-back Micah Richards.
Liverpool were close to signing 23-year-old Rubin Kazan midfielder Yann M'Vila in the January transfer window, according to the Russian club.
Manchester United have suffered a setback in their bid to sign Bayern Munich's Toni Kroos, 24, after Real Madrid declared an interest in the midfielder.
However, Kroos has told Bayern and Germany team-mates that he is determined to join the Old Trafford club in a £40m deal.
Manchester United's Portuguese winger Nani, 27, is likely to leave Old Trafford this summer according to his agent.
Arsenal are considering a £17m summer move for Paris St-Germain midfielder Marco Verratti, 21, despite the fact the Italian has not scored in 50 appearances since signing for the French club in 2012.
The Gunners are interested in Rubin Kazan striker Sardar Azmoun, 19, but face competition from AC Milan.
Swansea midfielder Ki Sung-Yueng, 25, currently on loan at Sunderland, will be welcomed back to the Liberty Stadium if Garry Monk is still in charge next season.
Newcastle will offload winger Hatem Ben Arfa, 27, as well as midfielders Sylvain Marveaux, 27, and 25-year-old Gabriel Obertan during the summer.
Netherlands and Barcelona legend Johan Cruyff, 66, has criticised Chelsea manager Jose Mourinho and believes he could lose the Blues dressing room in the same way the Portuguese did at Real Madrid.
Tottenham manager Tim Sherwood could take over from Pepe Mel as West Brom manager in the summer if Spurs decide to let him go.
Sherwood will be sacked by the club at the end of the season and replaced by outgoing Netherlands coach Louis van Gaal.
But Spurs could turn to Southampton boss Mauricio Pochettino in their search for a new manager.
Aston Villa striker Christian Benteke, 23, will return to Belgium for an operation on a ruptured Achilles that has ended his World Cup hopes.
Manchester United are to make the north-east quadrant of Old Trafford a permanent singing section after two successful trials this season.
Alan Pardew has been told his position as Newcastle manager is safe despite 10 defeats in 15 games and a seven-match suspension for headbutting Hull's David Meyler.
Everton defender Sylvain Distin does not share the view of some Toffees fans in not wanting the club to qualify for the Champions League as long as Merseyside rivals Liverpool do not win the league.
Manchester United striker James Wilson, 18, who was on the bench for the first time for Saturday's 4-0 win at Newcastle, scored a stunning 25-yard goal for the Old Trafford club's under-21s against Aston Villa on Monday.
Liverpool captain Steven Gerrard says West Ham "tried everything" to unsettle his side before their win over the Hammers last Sunday. The Reds had to deal with a "hot dressing room, a dry pitch and the bus had to park a mile away" from the ground.
Liverpool's 23-goal striker Daniel Sturridge, 24, has visited a local primary school to teach the pupils the secrets of his goal celebration.