Revealed: Every Premier league team’s biggest signing this summer

Liverpool – Sadio Mane (£30m): Southampton’s key man didn’t come cheaply to Jurgen Klopp’s Reds’ revolution. Mane’s £30m arrival from Southampton is crucial for Liverpool’s attack which, for all the flair of Coutinho, Firmino, and Lallana, last season was deficient of pace. The Senegalese was tireless in his desire to stretch Arsenal’s defence in the League opener and created space for his team-mates.