Transfer deadline looming: 5 biggest possible moves

While manager Jurgen Klopp insists star play-maker Philippe Coutinho is not for sale, the Brazilian is yet to start for Liverpool and remains Barcelona's 'Number One' target. Will the Catalan giant succeed in signing him and fill the void left by the departure of Neymar? Photo: Getty Images
French teen sensation Kylian Mbappe has been linked in a massive €180 million move to Paris Saint-Germain, who just splurged a staggering €222 million to sign Neymar from Barcelona in the biggest transfer ever. If the 18-year-old acquires a deal to PSG, that would make him the second most expensive player in history after Neymar. Photo: Getty Images
After being told he was not a part of the club's future plans by Chelsea manager Antonio Conte, troubled striker Diego Costa had sought a move back to Atletico Madrid but the latter faces a transfer ban, which limits it from fielding any new signings until January. Will Costa join his former club at the cost of remaining off the pitch for six long months?
The Leicester City star has been linked with moves to Roma, Manchester United, Barcelona and Arsenal, and the 2015-16 Premier League winner is now nearing an exit. Mahrez has featured in all three Premier League fixtures for Leicester this season, setting up two goals. Photo: Getty Images
Manchester City has been relentlessly trying to sign Chilean forward Alexis Sanchez from Arsenal, despite having a £50 million bid rejected by the club on Tuesday. While Arsene Wenger has mantained Sanchez is not for sale, the latter seems set for a block-buster move to the big-spending Citizens. Photo: Getty Images