Petr Cech came off in the second-half of Arsenal's win over Everton after sustaining a calf injury following a collision with Oumar Niasse.

The lure of Italy's capital and North Rhine-Westphalia was not enough for Giroud, whose mind was made up after learning of Conte's desire to bring him to Chelsea.

The 29-year-old had just five months left on his previous deal and was looking likely to leave, having been linked with moves to Manchester United and Barcelona in the interim.

Everton's Sam Allardyce has revealed the reason behind his decision to drop Cenk Tosun and dismissed suggestions that Ademola Lookman could have helped avoid a drubbing by Arsenal.

Ramsey's hat-trick came moments before he was due to be subbed off, coming on the end of another Mkhitaryan cut-in as the Armenian also finished the game with three assists.

There is no concrete evidence to suggest that the injury is just a recurrence of the same hamstring injury that kept him out of action for the first half of the season.

Petr Cech and Nacho Monreal handed Arsenal two concerns ahead of the derby against Tottenham after both players were forced off during the 5-1 victory over Everton.

Aaron Ramsey notches a first career hat-trick, Henrikh Mkhitaryan racks up three assists and Pierre-Emerick Aubameyang nets on his debut as Arsenal thrash Everton 5-1.

Theo Walcott's former club Southampton were also interested in re-signing the forward before he joined Everton in the January transfer window.

Arsene Wenger was keen to sign a defender during the January transfer window but failed with a late move for Jonny Evans.

West Bromwich Albion defender Jonny Evans has been linked with a move to Arsenal and Manchester City in the last two transfer windows.

Arsenal's record signing Pierre-Emerick Aubameyang has been suffered from illness, which could delay his debut for the club.

Chelsea completed the signings of midfielder Ross Barkley, striker Olivier Giroud and versatile star Emerson Palmieri in the January transfer window.

Former Liverpool managing director Christian Purslow believes Alexis Sanchez and Henrikh Mkhitaryan's swap deal between Manchester United and Arsenal is a good outcome for both clubs.

The new deal will see Ozil, who joined Arsenal from Real Madrid for £42.5m in the summer of 2013, earn around £350,000-a-week, according to BBC Sport.

Much is expected of the Gabon international but he will have only been involved in two training sessions with his new teammates before Saturday.

After a frantic final day of the January transfer window, some clubs may have repeated the same errors they've been making for years.

Olivier Giroud joined Chelsea on an 18-month contract on transfer deadline day as Arsenal signed Pierre-Emerick Aubameyang.

Aubameyang sealed a £56m transfer to the Emirates Stadium on 31 January, with Olivier Giroud moving to Chelsea in an £18m deal.

Wenger sanctioned a number of departures on deadline day with Akpom, Reine-Adelaide and Bielik leaving on loan, while French duo Debuchy and Giroud left on permanent deals.

The opportunity to emulate Thierry Henry was among the contributing factors which convinced Pierre-Emerick Aubameyang to move to Arsenal.

Arsenal youngster Jeff Reine-Adelaide will join Angers on loan for the rest of the season but the deal with not have a permanent option.

Max Meyer could become the second signing made by Arsenal on deadline day following the arrival of Pierre-Emerick Aubameyang.

The German has been convinced of Arsenal's ambitions after the capture of Aubameyang from Dortmund.

Arsenal have confirmed their club record deal to sign Pierre-Emerick Aubameyang from Arsenal with Michy Batshuayi undergoing his medical with Borussia Dortmund.

Live coverage of the final day of the January transfer window with a host of big moves still to be confirmed.

Former Arsenal midfielder Ray Parlour believes his old club would be better off keeping Olivier Giroud as rumours of his impending sale to Chelsea gather pace.

Olivier Giroudis to sign two-and-a-half year deal with Chelsea on transfer deadline day after the Blues agreed a fee with Arsenal.

Arsenal are ready to allow Mathieu Debuchy to join St Etienne on a free transfer despite the defender still holding 18 months on his current deal.

Giroud's move to Chelsea will then see the Blues sanction Batshuayi's loan move to Dortmund. This in turn will pave the way for Peter Stoger's side to allow Aubameyang to join Arsenal.