Jose Mourinho expects Marouane Fellaini to return by the end of March after the Manchester United midfielder had surgery on his latest knee injury on Saturday morning.
Manager Antonio Conte says he would prefer to bring in a couple of world-class players at the end of the season over making wholesale changes to his squad.
Liverpool have a deal in place with RB Leipzig that will see Guinea midfielder Naby Keita move to Anfield in the summer.
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.
The Algeria international handed in a transfer request on 30 January to try and force through a move to Manchester City.
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.
Romelu Lukaku and Alexis Sanchez both net for Manchester United during a routine 2-0 win over Huddersfield Town at Old Trafford that sends the visitors into the bottom three.
Theo Walcott's former club Southampton were also interested in re-signing the forward before he joined Everton in the January transfer window.
Liverpool legend Jamie Carragher claims Philippe Coutinho is not good enough to cost Barcelona £142m in the January transfer window.
Chuba Akpom went out on his sixth loan spell after failing to break into Arsenal's first-team under Arsene Wenger.
Arsene Wenger was keen to sign a defender during the January transfer window but failed with a late move for Jonny Evans.
The Serb made his return in the Australian Open but was not at his best as he still felt some pain and eventually crashed out to Heung Chung in the quarter-finals.
West Bromwich Albion defender Jonny Evans has been linked with a move to Arsenal and Manchester City in the last two transfer windows.
Javier Hernandez has started in 13 Premier League games for West Ham United this season. Only two of them have come under their current manager David Moyes.
Nadal had to pull out of his quarter-final clash against Marin Cilic in the Australian Open with a hip injury, which has set him back by upto three weeks.
Pierre-Emerick Aubameyang and Jack Wilshere trained with the first-team after shaking off their illness and are likely to be part of the squad for the Everton game.
Director of player recruitment at West Ham United Tony Henry has been sacked after he reportedly said the club 'don't want any more Africans'.
Barcelona midfielder Andre Gomes returned to training ahead of the derby against Espanyol on Sunday after missing the last two games due to a stomach bug.
Lookman joined Leipzig in the hope of regular game-time but Rangnick suggested the 20-year-old will be used as "back-up".
Midfielder Harry Winks and full-back Serge Aurier have returned to full training ahead of Tottenham's trip to Liverpool.
Arsenal's record signing Pierre-Emerick Aubameyang has been suffered from illness, which could delay his debut for the club.
Jose Mourinho expects Manchester United midfielder Marouane Fellini to be ruled out for at least a "few weeks" with a knee injury.
Mauricio Pochettino has claimed Tottenham Hotspur new signing Lucas Moura is unlikely to be ready to make his debut when Spurs visit Liverpool on Sunday.
Alisson has excelled for Eusebio di Francesco's side since succeeding Wojciech Szczęsny as Roma's first-choice stopper at the start of the season.
Zinedine Zidane has claimed Real Madrid decided not to sign anyone in January because he still has "blind faith" in Cristiano Ronaldo and Co.
Barcelona want Samuel Umtiti to sign a new long-term deal at the Nou Camp before the World Cup this summer.
West Ham striker Andy Carroll, Stoke's Peter Crouch and Burnley's Ashley Barnes were the other names to be linked with a move to Stamford Bridge.
Aleix Vidal is not a regular starter at Barcelona and is unlikely to get regular game time, but the defender is willing to fight for his place.