The Portuguese international has scored 23 times for the La Liga giants so far this season, with six of those coming in the Champions League.
Ronaldo says he will give his all against his former team when they meet next month, but took time to praise the supporters of the Old Trafford outfit as well as his friends at the club.
|7/4||Cristiano Ronaldo is 7/4 to be the top Champions League goalscorer with Paddy Power|
"The people that are there know that and I have many friends and I think fondly of the fans, but I play for Real Madrid now and I have to win and give my best for this club.
“I'll try to give my best, but with the feeling of playing against a team that I really like."