Arsenal score all of their goals in the first 22 minutes of a 4-1 defeat of Crystal Palace, while Manchester United hang on to win at Turf Moor thanks to Anthony Martial's strike.
Luke Shaw had made only two substitute appearances for Manchester United until November 2017. However, since then he has been featuring regularly for Jose Mourinho's side.
Mahrez has scored seven goals and assisted seven in the league thus far and would be a massive addition for any team should the move happen this window.
Manchester United and Arsenal will do separate deals for Henrik Mkhitaryan and Alexis Sanchez instead of a direct swap deal.
Bayern have fended off interest from a host of clubs such as Barcelona and Manchester United to sign Goretzka.
Pep Guardiola has congratulated Alexis Sanchez ahead of his imminent move to Manchester United, and insists there are no hard feelings.
Manuel Pellegrini is keen on signing Javier Mascherano in January, as Rafinha edges closer to Inter Milan move.
Pierre Emerick-Aubameyang and Henrikh Mkhitaryan played together at Borussia Dortmund and impressed together at Signal Iduna Park.
Nuri Sahin moved to Real Madrid in 2011 and rejoined Borussia Dortmund 18 months later on loan. In 2014, his transfer was made permenent.
Michael Carrick has made just one appearance this season due to a heart condition and is expected to retire at the end of the campaign.
Fernandinho has been in outstanding form this season, making 30 appearances in all competitions as City made a record-breaking start to the campaign.
Pierre-Emerick Aubameyang remains Arsenal's preferred target to replace Manchester United bound Alexis Sanchez.
Manchester United manager Jose Mourinho claims the Red Devils could have signed three players in summer. The number would be reduced if they sign a player in January.
Dzeko is only interested in a move to Chelsea should a transfer be on the cards, with his agent recently stating that he is happy in Roma.
Lennon, who has done brilliantly to overcome his mental issues and get back playing again, has agreed personal terms with the high-flying Clarets.