Having signed seven players already this summer, Southampton are now prepared to really loosen the pursestrings to secure a ‘top target’. Russell Martin has welcomed two of last season’s standout loanees back to Southampton permanently this summer with the signings of Taylor Harwood-Bellis and Flynn Downes. Those two players arrived for £20 million and £18 million respectively but, those deals aside, Southampton have been making relatively cheap signings in astute moves for a number of players. Adam Lallana and Charlie Taylor both arrived for free, whilst highly-rated EFL duo Ronnie Edwards an…