While nowadays football is very much controlled by money and multi-million pound transfers, there are some exceptions. In a few cases, clubs manage to sign top class or seemingly underrated players on free transfers because other clubs aren’t interested. they’re unhappy at their former club, their contracts are expiring, etc. However, these players ended up performing at such a high level that their former clubs have rued letting them go since then. So without further adieu, here are the best free transfers in football history.