Such was the impact of Robson at Porto, he became known to the locals as "Bobby Five-O" in honour of the number of matches Porto won 5–0, and he signed a new contract with the club in 1995.
Robsonovo pôsobenie v Porte bolo veľmi úspešné a pre miestnych sa stal známy ako "Bobby Five-O" (slovensky: Bobby Päť-nula), čo bolo uznanie za množstvo zápasov, ktoré Porto vyhralo 5-0 a v roku 1995 podpísal s klubom novú zmluvu.