The Norwegian’s future remains uncertain, with City, Chelsea, Manchester United, Barcelona and Real Madrid are all said to be keen on the attacker, who has scored 41 goals in 41 matches across all competitions last season.
Arsenal and Tottenham Hotspur reportedly face fresh competition from Liverpool for the signing of Sander Berge from Sheffield United.
The Norway international joined The Blades from Genk last summer and has since gone on to make 13 appearances for the Premier League outfit.
The 23-year-old has not featured at all since December due to injury and may have already played his final game for Sheffield United, who are on the verge of heading back to the Championship.
Borussia Dortmund have announced the signing of RB Salzburg striker Erling Haaland after meeting his 20m euro buyout clause.
The 19-year-old had been linked with a move to Premier League giants Manchester United after impressing with eight goals in the Champions League this season.
Manchester United have reportedly stepped up their interest in a deal to sign Erling Haaland from Red Bull Salzburg at the midway point of the campaign.
The Red Devils are set to make an approach to sign the 19-year-old forward in the January transfer window after his value reportedly sky-rocketed in recent months.