Edson Alvarez suffered a nasty looking hamstring injury whilst playing for Mexico in the Copa America over the weekend. West Ham United midfielder Edson Alvarez firmly established himself as a vital player for us last season – one of the most important at the London Stadium in fact. So with that in mind, it was hugely concerning when he suffered a hamstring injury out in America in the early hours of Sunday morning, UK time. However, it was then claimed by Fabrizio Romano that the hamstring problem wasn’t as bad as first feared. That said, Julen Lopetegui is still said to be prioritising the a…