With just a week left in the transfer window, all of the Premier League's big guns still have business to resolve. Arsenal are still desperately seeking a top centre-back, while Manchester United, Manchester City, Liverpool and Chelsea are all expected to part ways with some out-of-favour faces. IBTimes UK takes a look at five of the biggest names who could still find themselves on the move in the current mercato.

Shkodran Mustafi

Shkodran Mustafi
Shkodran Mustafi has been heavily linked with a move to Arsenal in recent weeks. Getty

The one-time Everton centre-back has been at the heart of one of the major transfer sagas of the summer, after Arsenal identified him as the top pick to fill the gap left by the pre-season injury to Per Mertesacker. Arsene Wenger admitted over the weekend that he hoped a deal for the Germany international would be done before the window closes. However, The Mirror put the dampeners on the story by reporting Valencia were demanding a staggering £50m ($65.4m) fee to let the player leave.

Following Valencia's 4-2 defeat to Las Palmas on 22 August, manager Paco Ayestaran was even more succint, saying "Mustafi is not for sale and will not be leaving the club."

But the Gunners may yet have the last word. Earlier this month Valencia sporting director Jesus Garcia Pitarch revealed that his club need to sell at least two players before the window closes to fulfil Financial Fair Play regulations.

Los Che have since sold Javi Fuego to Espanyol but still need to cash-in on another member of the squad to balance the books. The club are keener on letting Diego Alves, Aymen Abdennour and Aderlan Santos go, but should they fail in their attempts, they will need to sell someone else. In this case, it looks that either Mustafi or Barcelona target Paco Alcacer could be the chosen ones.

Juan Cuadrado

The Colombia international was predicted to have a new chance to prove himself at Chelsea following the arrival of Antonio Conte. He looked to be a perfect fit for the wings should the new boss implement the 3-5-2 formation he used both at Juventus and with the Italian national team.

However, the reality has been very different. Conte is not using a 3-5-2 at Stamford Bridge and Cuadrado looks to be out of his plans. The player's future may once again be with Juventus after he spent the 2015-2016 season on loan with the Serie A winners. Earlier this week the club's director Giuseppe Marotta admitted a move should be completed within a matter of days.

Reports in Italy have claimed Juventus will take the player on loan one more time by paying €3.5m, with no obligation to buy.

Bastian Schweinsteiger

Bastian Schweinsteiger
Schweinsteiger has not featured for United this season. Getty Images

Jose Mourinho made it clear that the 32-year-old midfielder has no future in his plans since his very first day at Manchester United. However, the former Bayern Munich midfielder remains at Old Trafford, as no many club looks willing to pay his salary.

Former Liverpool boss Brendan Rodgers this week played down suggestion he could move with him to Celtic, while recent reports suggest United would be ready to let him go for only £2m – accepting a £5m loss only a year after he was brought to the club by Louis Van Gaal.

Sources in Germany have suggested he might be ready to remain at United until the end of the season.

Mario Balotelli

Mario Balotelli
Balotelli scored just three times for AC Milan last term. Getty Images

The Italian striker's situation at Liverpool is similar to Schweinsteiger's. Jurgen Klopp has publicly admitted he doesn't want 'Super Mario' at Anfield, but nobody appears to be able to match his salary either.

A number of clubs have expressed interest in signing the 26-year-old, despite him only scoring three goals for AC Milan during his loan spell at the Italian outfit during the 2015-16 campaign.

A move to Turkey was on the table at the beginning of the transfer window but in recent weeks it looks that his future could lie in Italy instead, with Bologna, Chievo and Sassuolo being the latest clubs linked.

Joe Hart

Joe Hart
Joe Hart is set to leave City to make space for Bravo. Matthias Hangst/Getty Images

The England number one is tipped to leave the Etihad Stadium after falling out of favour with new manager Pep Guardiola. The Catalan boss has used Willy Caballero ahead of him in the opening games of the season, while the club are on the verge of signing of Claudio Bravo from Barcelona to be the first choice between the sticks in a clear indication.

Everton, Sevilla and Borussia Dortmund have all been linked with the 29-year-old keeper in recent days but finding a buyer to meet the City asking price will not be easy. Yet, the negotiations with Premier League rivals over a loan deal have reportedly stalled as the Toffees baulked at the prospect of a having to pay around £7m for enjoying the services of the keeper for only one season, with City refusing to subsidise his £135,000-a-week wages.

Meanwhile, reports in Spain claim that Sevilla is unlikely as the Europa League winners are considering other options in Salvatore Sirigu and Diego Alves.