As far as I know, there are no professional footballers on Quora, but there is this person called Nick Humphries, an online football trainer who has had trials with some professional and semi-professional football clubs like AFC Wimbledon (plays in England's fourth tier of football), Montrose FC (semi-professional Scottish club), FC Volendam (Dutch second tier), Vasas SC (Hungarian second tier) and the Australian U20 national team. read more