The pair will clash tonight as Falcao's Colombia meets Vlaar's Holland.
"No, I don't know him," he said. "I know Stefan de Vrij (Feyenoord captain) though and we have analysed him and we will do more. It is a good test for us because they are two good teams who both try to play good football. The Netherlands were the World Cup finalists in South Africa and that motivates us."
For breaking stories and all the great banter like us on Facebook: facebook.com/tribalfootball