Manchester United have to be ruthless in the upcoming summer transfer market and have to take advantage of other clubs’ struggles. Everton and Nottingham Forest are two Premier League sides who are struggling at present off the pitch, with Financial Fair Play coming down hard on both of these sides, and a points deduction already been handed to the Toffees. Manchester United have to adopt a practice that they used to use during Sir Alex Ferguson’s days at the club, looking towards other Premier League clubs for their top players.. Two players from Everton, Amadou Onana and Jarrad Branthwaite ,…