Ten biggest Premier League bargains of the summer: Chelsea’s £32m striker & Arsenal’s £16m steal included

1) Diafra Sakho (Metz to West Ham United for £6m)

QUOTES: Diafra Sakho hopes that successive home wins are the start of a formidable run at the Boleyn Ground. #WHUFC pic.twitter.com/LP8GEmLARG

— West Ham United FC (@whufc_official) October 7, 2014