Michael Brown has given his verdict on whether or not Manchester United should sell Casemiro in the summer transfer window. The former Manchester City midfielder and BBC Sport pundit has also had his say on United midfielder Kobbie Mainoo. So, what has Michael Brown said about Manchester United duo Casemiro and Kobbie Mainoo? Let’s take a look. Manchester United urged to sell CasemiroWell, former Manchester City midfielder Michael Brown has said that if Manchester United get a good offer for Casemiro at the end of the season, then Ineos, who will soon be running the football department once Si…