At the time, after starring for Porto, and sparkling in their European Cup final win over Bayern Munich, the skilful wide man wanted to embark on a fresh challenge.
However, the authorities would not allow this so he had to fight for the right to ply his trade abroad.
"They had to invent a new law," he told us. "In 1987, I was the only player abroad and refused the obligatory national service. So the government had to create a new rule.
"Luis Figo and Rui Costa came after me and played abroad, because of me. Now there are over 300 Portuguese players playing abroad, and there are players in teams like Real Madrid and Juventus, thanks to me.
"Manchester United fans can be very grateful to me! If this law hadn't changed, Ronaldo would never have played here! United fans are among the best in the world and they should thank me!"