After a summer which saw them let Romelu Lukaku and Alexis Sanchez leave without bringing in a direct replacement, an attacker is thought to be the club's priority.
Here, Sports Mole rounds up the latest news on possible comings and goings from Old Trafford.
Sunday morning's headlines:
Leicester City manager Brendan Rodgers coy over Merih Demiral interest
Leicester City manager Brendan Rodgers refuses to rule out the prospect of the Foxes making a bid for Juventus defender Merih Demiral this month. Read more.
Inter Milan want to sign Christian Eriksen for £20m this month?
Inter Milan are reportedly lining up a £20m move for Tottenham Hotspur midfielder Christian Eriksen this month. Read more.
Ole Gunnar Solskjaer: 'Paul Pogba will not leave Manchester United in January'
Ole Gunnar Solskjaer insists that Paul Pogba will not leave Manchester United over the January transfer window. Read more.
Manchester United identify Raul Jimenez as Erling Braut Haaland alternative?
Manchester United reportedly identify Wolverhampton Wanderers forward Raul Jimenez as a potential alternative to Erling Braut Haaland in the January transfer window. Read more.
Real Madrid 'to offer Toni Kroos in Paul Pogba deal'
Real Madrid are reportedly willing to include midfielder Toni Kroos in a deal to sign Paul Pogba from Manchester United next summer. Read more.
Juventus 'to offer Adrien Rabiot in Paul Pogba bid'
Juventus will offer Adrien Rabiot to Manchester United as part of a player-plus-cash offer for Paul Pogba, according to a report. Read more.