The 36-year-old made his international debut in 2001 and went on to pick up 34 national caps, the last of which was a friendly against Spain in 2015, but admitted that the World-Cup had a lasting impact on his mental-health.
United suffered a shock 1-0 home loss to West Brom on Sunday, handing the title to Manchester City, and Mourinho said his team were the “masters of complication”.
The Citizens' 3-1 victory over Tottenham Hotspur on Saturday evening meant that the Red Devils had to avoid defeat against the league's basement side to keep the title race alive
City could have wrapped up the title with a win at home to Manchester United last Saturday, but threw away a two-goal lead to suffer their first home loss of the campaign, falling 3-2 to Jose Mourinho’s side.
The Frenchman picked up a hamstring injury in a UEFA Champions League tie against Basel last September and has not been able to replicate his early season form since returning
The powerful striker put his team in front within five minutes from a pass by Alexis Sanchez, who added the second quarter of an hour later.