It was Maresca’s first game at the King Power since he took Leicester back to the Premier League last season in his only campaign at the club.
Ronaldo, making his first appearance in the rebranded Asian Champions League had a goal disallowed for a narrow offside at the beginning of the second half but he scored in
Vazquez, who revealed last month he was battling sarcoma, finished his career with a record of 44-5 with 32 knockouts.
Sergio Perez finished a disappointing 17th-place at his home Grand Prix following which Christian Horner refused to guarantee the Mexican will finish the season.
United fans had gathered on the Old Trafford forecourt before kick-off to protest the clubs' decision to increase ticket prices, displaying a banner with the slogan "Stop Exploiting Loyalty".