Hernandez, who scored the winner for Mexico in their 2-1 Gold Cup victory over Guatemala on Saturday, bagged 20 goals for Manchester United to help them win the Premier League and reach the Champions League final.
He said: "I am very happy that, as a squad, we won the English championship - a wonderful thing, especially after a title race so competitive.
"Our team has such soul and such spirit. Success is written into the DNA of this club. I'm at the best club in the world.
"I am extremely happy with my season, but I do not rest on my laurels. I want to do even better next season. I want to help this club to make history."