Football transfer rumours: Liverpool battle Man City for Sane; Casemiro makes Man Utd exit decision

90min rounds up the latest transfer news, rumours and gossip circulating around the world...

Manchester City and Liverpool are prepared to battle to sign Bayern Munich winger Leroy Sane, formerly of City, next summer. (Bild)

Barcelona want to sign Newcastle United midfielder Bruno Guimaraes and are considering offering winger Raphinha to the Magpies in exchange. (Roger Torello)

In order to seal his reintegration back into the Paris Saint-Germain team last summer, Kylian Mbappe agreed to give up £70m in bonuses, but he is still refusing to sign a new contract in the French capital. (RMC Sport)

Chelsea are in pursuit of 'the next Mbappe' - 19-year-old Monaco winger Malamine Efekele. (Foot Mercato)

The next centre-back on Manchester United's wish list is RB Leipzig's Castello Lukeba. The 20-year-old moved to Germany from Lyon this summer for around £30m. (Bild)

Roma's Gianluca Mancini is also on Man Utd's radar. (Il Romanista)

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Casemiro has no desire to leave Man Utd during the January transfer window despite interest from Saudi Arabia. (Ben Jacobs)

Arsenal will push hard to try and secure the signing of Aston Villa midfielder Douglas Luiz. Club officials are prepared to back manager Mikel Arteta with a single £50m signing in the January transfer window. (Football Insider)

Ange Postecoglou wants Tottenham Hotspur to sign former Celtic winger Jota, who joined Al Ittihad in the summer but has since been frozen out of the squad. (TEAMtalk)

Real Madrid president Florentino Perez is prepared to block a potential move for Athletic Club winger Nico Williams as he prefers the idea of re-signing Takefusa Kubo from Real Sociedad instead. (Defensa Central)

Barcelona are eyeing Atalanta midfielder Ederson. The 24-year-old Brazilian is valued at around €45m (£39m). (Mundo Deportivo)

READ THE TRANSFER RUMOURS OF THE PAST WEEK HERE