Vladimir Putin and Sepp Blatter just can't stop praising each other.
The Russian president, speaking with Swiss TV on Monday, said the embattled head of FIFA deserves a Nobel Prize for his work.
Two days after Putin and Blatter hosted the preliminary draw for the 2018 World Cup, Putin said "people like Blatter ... deserve special recognition".
Blatter had opened the draw ceremony Saturday - held at a palace in St Petersburg that is an official Putin residence - and warmly congratulated his host.
"Thank you, President Putin, you make us happy and comfortable," said Blatter, who was making his first trip outside his native Switzerland since American and Swiss investigations of corruption in soccer were revealed in May.
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Besides Blatter, Putin suggested to Swiss state broadcaster RTS that heads of international sports federations and Olympic committees would also be worthy recipients.
"Let's have Nobel Prizes for people like that," said Putin, who approved lavish spending on the 2014 Sochi Olympics that cost $US51 billion ($A70 billion) to prepare and stage.
On Saturday, Blatter told Putin that the Russian people "can be proud" of him and that FIFA says "yes to Russia, we are providing our support".
Russia's successful bid to host the World Cup is central to the Swiss federal investigation. That case also focuses on the 2022 bidding campaign, won by Qatar.
The American case has named three former FIFA vice presidents among 14 soccer and marketing officials indicted in May on widespread racketeering charges.
A further four men have made guilty pleas in the widening case that is also expected to target Blatter and the 2018-2022 World Cup bid contests.
