West Ham United mean business this summer – that much is clear and obvious to see now. The last 24 hours have been incredibly intense for the West Ham fans, but extremely exciting all the same! Hammers head coach Julen Lopetegui began the summer transfer window by signing Luis Guilherme, Wes Foderingham and Max Kilman. And he’s now on the verge of bringing Crysencio Summerville, Niclas Fullkrug and Guido Rodriguez to the London Stadium. A deal for Aaron Wan-Bissaka is bubbling along in the background as well, as Lopetegui and Tim Steidten ruthlessly work their way to making West Ham a proper o…