His time at the club was to come to an end in June 2019, but he extended his contract as a medical joker to cover the Rugby World Cup window for the side.
The 37-year-old appears to be heading back to South Africa with the blessing of his French employers.
The club wished him well writing: “Another living legend bows out to us … He also delivered his last fight under the blue tunic Sunday. A huge thank you to Jannie Du Plessis who has worn our colors with honor for more than 4 seasons.”
Une autre légende vivante nous tire sa révérence… Lui aussi a livré son dernier combat sous la tunique bleue dimanche. Un immense merci à Jannie Du Plessis qui a porté nos couleurs avec honneur durant plus de 4 saisons. ? #MerciJannie #TEAMMHR pic.twitter.com/3QMeS4LzCa
— Montpellier Rugby (@MHR_officiel) November 19, 2019
A qualified doctor, Du Plessis has been heavily linked to the Lions back in his native South Africa.
Capped 70 times for the Springboks, the older brother of Bismarck appears to be set for at least one final season of Super Rugby.
Having moved to France in 2015 following the Rugby World Cup, the tighthead has been a standout for the Vern Cotter coached outfit since his arrival.
The Rugby Pod gave their reaction to the news that Saracens will not appeal the 35 point deduction that they were given in light of breaching salary cap regulations.
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