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Arsenal are believed to be looking at bringing in £25m-rated forward Michu, 27, from Swansea as deals for Liverpool striker Luis Suarez, 26, and Manchester United's 27-year-old centre-forward Wayne Rooney hit problems.
Uruguay international Suarez is expected to stay at Liverpool after Reds captain Steven Gerrard helped resolve the issues between the forward and the Anfield club's manager Brendan Rodgers.
Chelsea look set to make another bid for England international Rooney before the end of the transfer window.
Blues boss Jose Mourinho has not given up on signing Rooney but Manchester United midfielder Michael Carrick insists the Old Trafford outfit's players want him to stay.
With Everton midfielder Marouane Fellaini, 25, and left-back Leighton Baines, 28, possibly heading to Manchester United, the Toffees could be set to spend £15m to buy Wigan's 22-year-old midfielder James McCarthy.
Real Madrid midfielder Luka Modric, 27, is being linked with a move back to Tottenham as part of a world-record Gareth Bale deal but it is believed Modric would prefer a move to Manchester United.
Liverpool target Willian, 25, could be heading for Tottenham instead as they are prepared to pay more than the Reds' £26m valuation for the Shakhtar Donetsk midfielder.
Manchester City, Chelsea and Arsenal are all attempting to bring 17-year-old PSV Eindhoven winger Zakaria Bakkali to the Premier League.
AC Milan have joined Liverpool in the race to sign 23-year-old defender Mamadou Sakho from French champions Paris St-Germain.
Norwich are planning a double signing of Galatasaray's 32-year-old striker Johan Elmander, who used to play for Bolton, and forward Andrea Caracciolo, 31, of Brescia.
Chelsea owner Roman Abramovich made an unprecedented trip to the Blues dressing room to visit the home players before the win against Hull on Sunday.
Sunderland manager Paolo Di Canio has confirmed he does not wish to sell 29-year-old midfielder Stephane Sessegnon.
Arsenal manager Arsene Wenger says he is working 24 hours a day to sign new players for the Gunners in the transfer window.
Full-back Patrice Evra, 32, cannot believe how Manchester United have been written off in this season's Premier League title race.
Former Sunderland striker Asamoah Gyan, 27, says he turned down a lucrative offer to join Turkish side Galatasaray earlier this summer.
Eintracht Frankfurt have responded to their lack of goals so far this season by signing one-time Tottenham target 21-year-old forward Vaclav Kadlec from Czech side Sparta Prague for an undisclosed fee.
Newcastle's 31-year-old defender Fabricio Coloccini, who recently met the Pope, says he is happy staying in English football.