Alfredo Hugo "El Tanque" Rojas Delinge (born February 20, 1937 in Lanús, Buenos Aires Province) is a former professional Argentine football player. Rojas started playing with Club Atlético Lanús in 1958, but his participation in the 1958 FIFA World Cup opened him a door to Europe. He joined Celta Vigo in mid 1959, but the club were relegated, Rojas moved on to play for Real Betis in 1959. Alfredo Rojas returned to Argentina after signing for Club Atlético River Plate, but he spent most of the time sitting on the bench. It was not until 1962, when he move to Club de Gimnasia y Esgrima La Plata, that El Tanque gained some importance in the Argentine football, scoring 17 goals.after another season with the team from La Plata, Rojas was transferred to Boca Juniors. El Tanque Rojas played 4 seasons with Boca Juniors, winning the 1965 Argentine Championship, and becoming one of the most important and beloved Boca players of the 1960s. From 1964 to 1968 he played 102 league matches, scoring 46 goals. In 1968 the Boca Juniors gave Rojas a free transfer to move to Chilean Universidad Católica, where he ended his career. With the Argentina national football team, he played in the 1958 and 1966 FIFA World Cup, and won the 1964 Nations Cup (Copa de las Naciones).