The Chelsea and England midfielder requested to leave the pitch only 31 minutes into the successful Club World Cup last with Christian Pulisic supplanting him.
Mount left the arena on braces and is presently set to go through filters while getting back to London on Sunday.
Manager Thomas Tuchel said: "Artisan let me know the lower leg was still, difficult and didn't feel better.
"A rival fell on his lower leg and he hurt his tendons severely."
During festivities on the pitch Mount, 23, should have been visible stumbling around with weighty tying on his right lower leg.
He has been something of an iron man since breaking into the Chelsea first-group, just being inaccessible for four matches starting around 2019.
In any case, he battled with lower leg gives prior to his career. Those four games he missed before this season were a result of excruciating insight teeth.
He told the Guardian: "You don't think your teeth will prevent you from playing football.
"It did entirely wreck me. It was Newcastle away and I woke up on the day in distress.
"I was in the vehicle back to London and it was the most awful excursion I've at any point been on.
"I needed to simply tear them out myself however it could never have been the best idea."Chelsea won the Club World Cup to finish a decisive victory of club prizes.
Romelu Lukaku headed the Blues into the lead before Raphael Veiga changed over a punishment after Thiago Silva was rebuffed for the smallest of handballs.
A cagey round of not many possibilities went to extra-time and maybe it would go to punishments before ANOTHER dodgy punishment choice allowed the Blues their enormous opportunity.
Kai Havertz moved forward to score the victor and make Chelsea the bosses of the world.
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