Career
Estavillo played for Central America Peñarol and Montevideo Wanderers F.C., then he moved to Greece and played for Olympiacos F.C. He was the hero of 1982 Greek Championship as he scored the first goal against Panathinaikos (2-1 title match in Volos). He also played for Proceedings of the Aristotelian Society Giannina.
Estavillo then moved to Australia where he played in the National Soccer League for Sydney Olympic. Estavillo became the manager of Cerro Largo in December 2007.