He played for Ginebra San Miguel from 1986 to 1991 and 1994 to 1995 . In his rookie season in 1986 , he helped Ginebra win its first ever championship during the 1986 PBA Open Conference . He earned his spot in coach Robert Jaworski 's rotation as a reliable backcourt defender and his valuable contributions on defense helped the Gin Kings win two more championships in 1988 and 1991
1986 PBA Open Conference
1986 PBA Open Conference
Leo Isaac