Arsenal forward Sanchez is set to arrive at Old Trafford in the coming days in a deal that will see Henrikh Mkhitaryan move to north London.
Aubameyang's transfer to north London is seemingly imminent while reports claimed that Arsenal had beaten Tottenham Hotspur to Malcom's signature earlier this week.
Giroud is currently side-lined by injury, but, is expected to return to action next week, as confirmed by the manager.
Sanchez's move to United is part of a swap deal with Henrikh Mkhitaryan going the other way to Arsenal.
The deal is part of an agreement between Arsenal and Manchester United which will see Alexis Sanchez and Mkhitaryan swap places.
Negotiations are on the verge of being completed on a swap deal that will make Sanchez the highest-paid player in Premier League history.
Ozil has only six months left on his current deal and has been linked with a move out of the club in the summer.
With Alexis Sanchez and Olivier Giroud's potential exits from Arsenal, Pierre-Emerick Aubameyang's addition will bolster their strike force.
Emre Can has entered his final six months in his deal at the club with a host of offers from clubs across Europe.
Marcos Rojo and David de Gea's current contract at Manchester United will run down in 2019. The goalkeeper has the option of further extending it by a year.
Kelechi Nwakali was expected to spend the entire campaign with VVV Venlo but, Arsenal are planning to recall him owing to limited game time.
Crystal Palace manager Roy Hodgson is hoping the club can bring four new faces in before the January transfer window closes.
Pierre-Emerick Aubameyang didn't travelled with Borussia Dortmund ahead of their Bundesliga match on Friday amid suggestions he has agreed a three-and-a-half year deal with Arsenal
Manchester United are hoping to register Alexis Sanchez in time for this Saturday's Premier League clash against Burnley.
The Gunners and City have been heavily linked with a move for the 29-year-old, but Pardew says the Baggies have not been approached as of yet.
Laurent Koscielny, Nacho Monreal and Mesut Ozil could all return for Arsenal's meeting with Crystal Palace, although Olivier Giroud remains out and Ainsley Maitland-Niles has flu.
Borussia Dortmund have accused Arsenal of a "lack of respect" in their attempts to sign Pierre-Emerick Aubameyang this month.
Phil Neville says the signings of Pierre-Emerick Aubameyang and Henrikh Mkhitaryan will make Arsenal a better side even with the imminent departure of Alexis Sanchez.
Arsenal manager Arsene Wenger has addressed speculation over deals for Pierre-Emerick Aubameyang, Malcom and Jonny Evans after confirming that a Sanchez-Mkhitaryan swap is likely.
The Alexis Sanchez and Henrikh Mkhitaryan swap deal could yet be delayed with Arsenal demanding an extra £10m to complete the move.
Arsenal's Arsene Wenger believes the part-exchange deal with Manchester United that would see Alexis Sanchez and Henrikh Mkhitaryan trade clubs should happen in the next 24 hours.
Aubameyang is said to be keen on joining Arsenal after yet another fall out with Dortmund's hierarchy but the Gunners will have to meet the German club's valuation.