Os Belenenses from Portugal in 1951, scoring Primeira Liga 17 goals in 26 games in his first season as the Lisbon side finished fourth and adding 29 in the same number of matches in the following campaign for a third place.
[3] From 1953 to 1960, Matateu continued scoring in double digits (a minimum of 14 goals), netting a career-best 32 in 1954–55 for his team's final runner-up position (and his second Silver Ball award).
[4] In 1960, he helped his main club to win the Taça de Portugal against Sporting CP (2–1), his only career trophy; he left in summer 1964 at the age of 37, after only totalling four appearances in his last two seasons due to a serious leg injury from which he never fully recovered.
[9][5] After making his debut on 23 November 1952 in a friendly with Austria in Porto, his last appearance was against Yugoslavia on 22 May 1960 for the 1960 European Nations' Cup (5–1 away loss, he netted in the first leg, a 2–1 win), aged 32.
[3] Matateu never played internationally with his compatriot Eusébio although he had been called for the final 1962 FIFA World Cup qualifiers where the latter would make his debut, being left out of the squads for the matches against Luxembourg and England.