West Ham United midfielder Edson Alvarez emerged as a shock transfer target for Manchester United earlier this week. Fabrizio Romano suggested a couple of days ago that Manchester United were looking at a move to sign the 26-year-old Hammers star as a potential long-term replacement for Casemiro. Edson Alvarez has been sensational for West Ham, since he moved to the London Stadium from Ajax for around £34 million. In 31 Premier League games for the Hammers last season, the 26-year-old midfield warrior averaged 2.6 tackles, 1.4 interceptions and 2.3 clearances. He made 38.5 passes on average pe…