1991 PBA All-Filipino Conference
The 1991 Philippine Basketball Association (PBA) All-Filipino Conference was the second conference of the 1991 PBA season. It started on June 9 and ended on September 1, 1991. The tournament is an All-Filipino format, which doesn't require an import or a pure-foreign player for each team. Format. The following format will be observed for the duration of the conference: Group A: Group B: Elimination round. Team standings. Semifinals. Team standings.