Spurs have spent an awful lot of money over the years - and not all of it has been used to buy players who have done particularly well at White Hart Lane. That said, in modern football, very few players come cheap, so every transfer is a risk. Splashing out £15 million for David Bentley, £11 million for Sergei Rebrov and £8 million for Helder Postiga were just some of the examples of signings that Spurs made which ended up working out terribly financially, as none of those players really contributed anything worthwhile - at least not on a remotely consistent basis - after they arrived at White Hart Lane. However, for every extortionate waste of money, there's a player who comes in and makes their fee look like pittance when they start performing - especially when expectations weren't particularly high. So, either because the fee paid for them was small, because their performances were exceptional, or because they were sold for a much larger amount than the club paid for them (or a combination of the three), let's take a look at just some of the great purchases that Spurs have made in recent years. Here are eleven Spurs signings who were absolute bargains (with the criteria being that they must have cost under £15 million)...