The Real Madrid forward Cristiano Ronaldo says he won't celebrate if he scores against Manchester United.
United will face Madrid in the last 16 of the Champions League at the Bernabeu on February 13th and then at Old Trafford on March 5th.
Ronaldo spent six years at the Reds before moving to Spain.
He says without United he wouldn't be the player he is now.
The draw means 27-year-old Ronaldo will visit Old Trafford for the first time since his $150 million move to Spain in June 2009.