Transfer gossip: De Gea, Costa, Dybala, Alli, Sterling, Asensio

Updated at 12:00 BST

Manchester United want Juventus' highly coveted playmaker Paulo Dybala, 23, who could cost £155m. (Sun)

Manchester City are interested in 31-year-old Arsenal defender Nacho Monreal. (Kicker - in German)

Liverpool may be willing to consider a future Barcelona bid for Philippe Coutinho after all. The Catalan club's high-profile summer move for the 25-year-old Brazil forward failed but that will not deter them in the long term. (SPORT, via Daily Mail)

Everton are interested in two Arsenal strikers as they attempt to strengthen their forward line in January. Manager Ronald Koeman's admiration for Olivier Giroud, 30, is well known, and Danny Welbeck, 26, is also on his radar. (Liverpool Echo)

For completed deals, check our transfers page.

Manchester United are set to open contract talks with goalkeeper David de Gea, 26, and are confident he will remain with the club despite interest from Real Madrid. (Independent)

Everton made a £70m attempt to sign Chelsea striker Diego Costa, 28, in the final days of the summer transfer window. (Daily Mail)

Chelsea goalkeeper Thibaut Courtois, 25, thinks it will be tough for Alvaro Morata, 24, to replace outgoing striker Costa but he has made a good start. (Daily Express)

Real Madrid want to sign Tottenham midfielder Dele Alli and will offer Mateo Kovacic in a swap deal. Alli, 21, is under contract at Spurs until 2022. (Don Balon, via Daily Star)

Arsenal are one of four teams interested in signing Le Havre defender Harold Moukoudi. Nice, Bordeaux and Red Bull Leipzig are also keen on the 19-year-old. (Sun)

Real Madrid will offer forward Marco Asensio a new contract containing a world-record release clause to deter any approaches for the 21-year-old. (AS, via Daily Express)

Chelsea are set to renew their interest in Juventus full-back Alex Sandro, 26, in the January transfer window. (TransferMarketWeb)

Manchester City are ready to offer winger Raheem Sterling, 22, a new deal to ward off interest from Arsenal. Sterling has three years left on his contract. (Daily Star)

Midfielder Kevin de Bruyne, 26, is also after an improved Manchester City contract following an impressive start to the season. (Sun)

Manchester City boss Pep Guardiola is interested in signing Barcelona midfielder Sergi Roberto, 25, who has a 40m euro (£35.3m) release clause in his contract. (Don Balon, via Calciomercato)

West Ham are considering a January move for defender Francesco Vicari, 23, from Serie A side SPAL. (Calciomercato)

West Ham midfielder Mark Noble, 30, believes Tottenham striker Harry Kane, 24, is worth at least £100m. (Daily Express)

Liverpool and Everton could battle it out to sign Charlton Athletic centre-back Ezri Konsa, 19. (Sun)

Meanwhile...

Everton midfielder Davy Klaassen returned to Ajax, the club where he spent six years before joining the Toffees in the summer, to say goodbye to the fans. Ronald Koeman gave Klaassen permission after he played 55 minutes in Saturday's 2-1 win over Bournemouth. (Daily Mail)

Crystal Palace, the Premier League's bottom club, will play a friendly this week in a bid to rebuild the players' confidence. (Daily Mirror)

Steven Gerrard says he talked former Liverpool manager Rafael Benitez out of signing midfielder Gareth Barry when Xabi Alonso left in 2009. (Goal.com)

Georginio Wijnaldum says Liverpool team-mate Philippe Coutinho has had a tough time since his failed move to Barcelona. (Daily Express)

Fenerbahce midfielder Souza has offered to buy a frustrated fan a new TV after he smashed the screen during the Istanbul derby win against Besiktas. (Sun)

Former Manchester United striker Ruud van Nistlerooy left the club after a disagreement with Cristiano Ronaldo left manager Sir Alex Ferguson with no choice but to sell him. (Daily Mail)

Arsenal manager Arsene Wenger says former Gunners players do not improve upon departure and has highlighted the poor performances from Liverpool summer signing Alex Oxlade-Chamberlain, 24. (Daily Star)

Daniel Adshead, who became the youngest player in Rochdale history this week, was not allowed to get changed with his team-mates. The midfielder, who is 16 years and 17 days old, could not use the changing rooms because of child protection regulations. (Daily Mirror)

Chelsea Ladies manager Emma Hayes appears to have ruled herself out of the vacant England women's job after vowing to stay with her club for the long term. (Sun)

Tottenham have shared pictures from the building site of their new stadium, which is 10 miles away from their current Wembley home.

The best of Sunday's gossip...

Midfielder Mesut Ozil, 28, is set to turn down Arsenal's offer of a new contract because he is keen to join Manchester United. (Sunday Mirror)

Liverpool asked Barcelona to "stop harassing" playmaker Philippe Coutinho during the summer, after making it clear they would not sell the 25-year-old. (Sunday Express)

Manchester City are worried they will be outbid by Paris St-Germain for 28-year-old Arsenal striker Alexis Sanchez. (Sun on Sunday)

Everton are determined to sign 30-year-old striker Olivier Giroud in January, and are prepared to offer Arsenal £40m. (Sunday Mirror)