Manzur started his career at Cerro Corá in his native country before moving to Paraguayan giants Guaraní.
[1] In 2010, he joined Club Olimpia from Paraguay, to play the National Tournament of that country, scoring his first goal on 13 March, against 3 de Febrero from Ciudad del Este, which allowed his team to win the match.
He then returned to Mexico to play for Second Division side Club León, to replace Paraguayan international and partner Denis Caniza.
Manzur was part of the silver medal-winning Paraguay national team on the 2004 Summer Olympics.
On 4 August, before the Summer Olympics began, he played in a preparation game against the Portugal of Cristiano Ronaldo in the city of Algarve, resulting in a 5–0 defeat.