Another unnamed serving minister told the Sunday Times:
I think Philip is the only plausible candidate for a couple of years, with DD [David Davis] running Brexit.
He is a more credible caretaker than the current prime minister.
The PM’s brand is so damaged it is painful.
The calculation that people are beginning to make is that she is so inadequate we can’t wait two years with her in place.
While Hammond supports "soft Brexit" (or a soft-landing hard Brexit, to further muddy the terms and remove them from any meaning) it's believed an alliance with Eurosceptic Brexit Secretary David Davis would win the pair votes from across the party.