Stains have a well established academy, and their youngsters cost zillions when the big teams finally come in for them. We've got a long way to go to catch up. Live with it! - we're heading the right way, but sure as hell ain't there yet.
If Southampton are thinking of offering £7.5 M (and that's a great BIG if, IMHO) it'll be because they think that they'll be able to sell him on for twenty million after a season or two. Southampton youngsters go (usually to Arsenal) for a lot of money.
Haven't been his greatest fan, but he does...