Marseille paid just over £25 million ($34m) to sign Greenwood from Manchester United and are expected to demand a significant profit this summer. Any deal in the region of €50m (£43m/$59m) would represent a healthy return for the French side, but they won't be the only ones benefiting from a lucrative transfer. United included a substantial sell-on clause in the original permanent sale, meaning the Red Devils are set for a financial windfall.
With Champions League football looking unlikely for Marseille next season, the club is under pressure to balance the books. Selling their talisman would provide the necessary capital for a rebuild under Beye, while finally resolving the strained situation that has overshadowed the latter half of their current campaign.