|Full name||Marcelino Martínez Cao|
|Date of birth||29 April 1940|
|Place of birth||Ares, Spain|
|Height||1.70 m (5 ft 7 in)|
|* Senior club appearances and goals counted for the domestic league only.
During his spell with the Aragonese, always spent in La Liga, Marcelino scored 117 official goals, contributing solidly to the conquest of three major titles, namely two Copa del Rey trophies. He was part of an efficient offensive unit dubbed Los Magníficos (The Magnificent) which also featured Canário, Carlos Lapetra, Eleuterio Santos and Juan Manuel Villa.
Marcelino played 14 times for the Spanish national team, participating in the 1964 European Nations' Cup and the 1966 FIFA World Cup. In the former tournament he scored the decisive 2–1 in the final against the Soviet Union, through a header.
|1.||23 November 1961||Santiago Bernabéu, Madrid, Spain||Morocco||1–0||3–2||1962 World Cup qualification|
|2.||11 March 1964||Sánchez Pizjuán, Seville, Spain||Republic of Ireland||4–1||5–1||1964 European Nations' Cup qualifying|
|3.||11 March 1964||Sánchez Pizjuán, Seville, Spain||Republic of Ireland||5–1||5–1||1964 European Nations' Cup qualifying|
|4.||21 June 1964||Santiago Bernabéu, Madrid, Spain||Soviet Union||2–1||2–1||1964 European Nations' Cup|