Born in
Cochabamba, Álvarez played for the club
31 de Octubre in
La Paz. He was nicknamed "
La Araña negra" ('the black spider'). as Bolivia won the competition, its first and only title. He got his two only caps with Bolivia in 1965, playing
qualifying games for the
1966 FIFA World Cup against
Paraguay on 22 August (2–1 win for Bolivia) and Argentina on 29 August (2–1 defeat for Bolivia). ==Later life==