Last season, Juventus' off-field woes were compounded by disappointment on the pitch as they were dumped out of the Champions League group stage following five defeats from six matches, including a humiliating 2-0 loss to Maccabi Haifa.
Mauricio Pochettino's demand for new players after the 2-0 defeat to Everton in the Premier League last month has left a clear indication of the west Londoners' ambitions in this month's window.
Messi and Ronaldo are way out in front as the competition's two all-time top goal scorers, but Haaland and Mbappe have made such strong starts they can have genuine ambitions of one day eclipsing their tallies.
Manchester United have one of world football's largest transfer kitties to play about with and have spent plenty of cash to try and achieve their Premier League ambitions.