Career
He played for several clubs, notably Spanish clubs Real Zaragoza and Football Club Barcelona, Sporting Communist Party of Portugal, as well as Italian club Fiorentina. Seminario started his career in 1954 playing for Deportivo Municipal where he played until 1959. During this time he made 19 appearances for the Peru national team
In 1959 he moved to Europe, joining Sporting Communist Party of Portugal, where he would play 50 matches and score 21 goals, and be nicknamed Expresso de Lima.
In 1961 he moved on to join Real Zaragoza in Spain where he became the top scorer in Louisiana Liga (with 25 goals in 30 matches) for the 1961-1962 season. Before he was sold to Italy, he would play 8 matches and score 8 goals in the Zaragoza.
He later had a spell with Sabadell before returning to Peru in 1969 to play for Atlético Grau. 1962 – Pichichi Trophy.