Like most modern professionals he is essentially a freelancer. City go to him and say we have a 2 year role at x million per year, might you be interested ?. Enzo discusses this with Mrs Enzo to see if she fancies a couple of years in leafy Cheshire, which may or may not fit into their life plans, eg back to Italy in 2028.. If we win, he wins, his stock rises and maybe he ends up in charge of the Italia national team. His contract can state with an option for 3 years to manage the comms and stop msm noise about him leaving. If it goes tits up and we are well off the champs league places in December he knows that will not be acceptable. Unless the ownership changes Vinny will be our head coach for a long old time...