Mason Greenwood: Manchester United impose sell-on clause in contract so player does not leave on the cheap First Team Managers News Opinion Transfer Rumours Mason Greenwood: Manchester United impose sell-on clause in contract so player does not leave on the cheap editor 17 July 2024 0 Manchester United forward Mason Greenwood has been sold to Marseille this summer after years of speculation over... Read More Read more about Mason Greenwood: Manchester United impose sell-on clause in contract so player does not leave on the cheap