Pep Guardiola, 40: Managers who peacock around on the touchline arguably put themselves under even more pressure to accessorise with some silverware. Having decisively taken care of business at Barcelona, Guardiola has also proved himself more than a straightforward Armani poster-boy. Smashing a sharp suit or a fine-knit cardi is one thing. Doing both at the same time, quite another. Also: a masterclass in balding gracefully.