Newcastle United's fans are outraged that the club has signed a shirt sponsorship deal with controversial payday loan firm Wonga. In a piece on one of the club's fan sites, true-faith.co.uk, supporter Michael Martin wrote: "In my opinion, Wonga and their ilk are vermin. They are the lowest of the low. They prey upon the most vulnerable in society and those in greatest need and exploit that for their own profit. It is the exploitation of the weak by the strong. "Having Wonga associated with Newcastle U...