Manchester United are now set to rival two Premier League rivals this summer to sign a talented 18-year-old defender. This summer should see a complete overhaul of Manchester United‘s defensive ranks, with as many as three or four centre-halves on the way out, namely Jonny Evans, Raphael Varane and Victor Lindelof. This could see multiple incomings but the budget may not stretch to signing two or three Antonio Silva-level names. Instead, United could look to bring in some lesser-known names, potentially some being youth prospects with high ceilings. That is what Sir Jim Ratcliffe seems keen to…