Lionel Messi and Neymar's departures from PSG have had a significant off-field impact on the club.
PSG's Instagram followers grew by 20 million during Messi's two-year stint, but after his departure, they've decreased by 10 million to 15 million followers.
Some sponsors, including Crypto.com, are reconsidering their partnership, and others are slow to make sponsorship payments.
The departures have also affected ticket resale’s at Parc des Princes.
Tickets for PSG's upcoming match against Strasbourg, which have been available for sale for three weeks, have not yet sold out. Messi and Neymar's departure created a void at PSG, which Mbappe has adeptly filled on the field, scoring eight goals in nine games across all competitions this season.
However, despite being one of the world's most recognizable athletes, the France captain is not the PSG player who has generated the highest shirt sales.
According to French journalist Abdellah Boulma, Lee Kang-in holds that title, with Mbappe following 'slightly' behind the South Korean international.
It's worth noting that Lee recently joined PSG from Mallorca for a fee around £19 million during the summer.