Wednesday 13 February 2013 15:39, UK
Cristiano Ronaldo admits he would find it impossible to turn out for Manchester City because his heart still belongs to United.
You can only watch the best UEFA Champions League coverage here on Sky Sports. Watch Real Madrid v Manchester United exclusively live on Sky Sports 2HD and Sky Go from 6:00pm on Wednesday 13th February. Click here for more details and watch goals from United's route to the last 16.