He has kickstarted his career under the Portuguese boss making the right-back role his own with his spectacular displays at Old Trafford.
The Ecuadorian’s future at the club came into doubt under Louis van Gaal, but he has worked hard and has become a regular after years as a flying winger.
Valencia was worried the club would not take up a one-year option in his existing deal but there’s no doubting his importance to the side.
He was forced into adapting to a new role at 31 but has done a brilliant job and was voted as the Player of the Month in recent times even though he had just returned from surgery.
Valencia’s current deal expires in the summer but United have an option of extending it a year, which means it would effectively end in 2018.
Following his fine performances this season, Mourinho has done a good bit of business in tying him down and if he continues his brilliant form, there’s no doubt he’ll have a massive role to play.