But if we can carry this momentum into the new season, and truly build some consistency and steady excellence from it — and not run out of energy along the way — we might yet prove that this summer was not a one-off. Any team can win once; true winners win repeatedly.

"That's what Chelsea does, Chelsea wins."

The Blues shocked everyone but themselves on Sunday by thrashing Paris Saint-Germain 3-0 in the Club World Cup final.