West Ham have had a busy summer.

First, came Pablo . The veteran defender joined the Hammers from City after being let go by the at the end of last season.

Then came Joe Hart, who followed his former team-mate to the , joining on a season long loan from Pep Guardiola’s side.

While so more names are yet to be officially announced, it is an almost certainty that both both Marko Arnautovic and will be announced as West Ham players over the coming days.

And it doesn’t stop there. The latest man to emerge on the Hammers every growing wanted list is 22-year-old Senegal star Keita Balde Diao – who has attracted the eye of Slaven following a terrific breakthrough season in Serie A with Lazio.

One of Europe’s most promising young attacking talents, here are four reasons why the Hammers should go all out to sign the former youngster this summer …