Complex sentence: The retired numbers of the San Miguel Beermen hanging in the rafters of the Ynares Sports Arena belong to those who played for the original San Miguel Beermen team in the Philippine Basketball Association, not the ABL team.
Split into simpler sentences: The retired numbers of the San Miguel Beermen are hanging in the rafters of the Ynares Sports Arena. Note that the players have played for the original San Miguel Beermen team in the Philippine Basketball Association, not the ABL team.