José Fonte wants to leave Southampton.
Jose Mourinho wants to sign a defender.
Mourinho may need to sell before he buys.
Jose Fonte pledged his allegiance to Southampton in the summer.
Southampton secured an emphatic victory in east London.
The Portuguese has made four major signings at Old Trafford.
Mourinho wants to strengthen his defense.
Jose Fonte is wanted by both clubs.
He would add much needed experience.