Chelsea have seemingly handed West Ham United boss Julen Lopetegui a major summer transfer window boost. West Ham boss Julen Lopetegui needs to bring at six new players to the London Stadium in the summer transfer window as a bare minimum. The good news is that’s the amount of new signings he’s said to be targeting this summer. Whilst the Spaniard needs to strengthen pretty much every single department of his squad, the addition of a top-class striker is arguably his most pressing priority. West Ham have been linked with numerous top-class strikers already this summer, including the likes of Y…