By Michael Graham Ander Herrera has discussed the time he man-marked then-Chelsea star Eden Hazard for Manchester United and vowed to ‘follow him to the toilet’ if he had to. Herrera had a successful five-year spell at Old Trafford between 2014 and 2019, making nearly 200 appearances and scoring 20 goals. One of those goals came in a 2-0 win over Chelsea in 2017, although he was given another specific job that day by the then-Man Utd boss Jose Mourinho. “At that time, Hazard was the best player in the league, with the best stats and everything,” Herrera told the Utd Podcast. “Chelsea were on f…