United 's preseason training camp has opened .
Anthony Martial is still on international duty with France , as the host country and pre-tournament favorites will lock horns with Portugal tomorrow in the 2016 European Championships Title match .
United 's preseason training camp has opened , but Anthony Martial is still on international duty with France , as the host country and pre-tournament favorites will lock horns with Portugal tomorrow in the 2016 European Championships Title match .