The 23-year-old has started the season well, and has two goals and an assist to his name so far.
French newspaper L’Equipe on Sunday reveal Marseille boss Franck Passi wanted to sign Thauvin at the Ligue 1 club at any cost.
Marseille made a dozen phone calls to Thauvin when he was on holidays with his girlfriend, and then training at Newcastle.
The Ligue 1 club have an automatic purchase option of €11.5m at the end of the season, whilst Newcastle will also get a certain percentage from any future transfer.
L’Equipe say Thauvin made every effort to sign for Marseille this summer and in January.
The Frenchman took a massive wage cut in January to sign on loan, and is now earning a little more than during that period, which is believed to be around €220k per month.
Thauvin would now certainly be hoping to revive his career at Marseille, and it seems he has the support of Passi.