Edson Alvarez was handed a second yellow card and a subsequent red card for a reckless challenge during West Ham United’s 3-0 defeat to Nottingham Forest. He let everyone down with his stupidity, and some West Ham fans are now suggesting that Edson Alvarez should be sold. It was only last month when Julen Lopetegui told reporters that he has spoken to Alvarez about the need to tame his aggression on the pitch. The 27-year-old has proven to be a complete liability for West Ham this season. Despite his obvious strengths, his flaws have become impossible to ignore. It seems to me like his actions…