"We will see what happens the next time he comes around with the begging bowl," says No. 10.
Both England's cricket establishment and the Conservative Party are struggling with insurgent outsiders.
The closing ceremony again demonstrated the Mayor's unrivalled popularity.
Booed by the crowds and overshadowed by Boris, the PM has not had a good Games.
Mayor calls for return of two-hours-a-week target scrapped by the government.
The Mayor of London is increasingly viewed as a threat by Labour.
"At the moment, I don't want to be prime minister".
That is the question Tory MPs are asking this morning.
The Mayor of London's championing of Matt Ridley raises questions over his commitment to science.