Manchester United striker Robin van Persie admits having fellow Dutchman Rene Muelensteen has been important for him.
The pair have worked closely together since RvP's arrival from Arsenal.
"Rene's training is always designed with a view to the next opponent.
"Every week we are prepared for the specific playing style of the opponent, we must each play to deal with a style. That is our strength. We have our own qualities and we know in detail where the weak points of the opponent are.
"Whether it's Stoke City or Chelsea or Real Madrid. In a procedure of several days of work we go through targeted training. Ferguson comes and talks over who are really good or unknown."