1991 PBA All-Filipino Conference finals

Purefoods Tender Juicy Hotdogs wins their first-ever All-Filipino crown and their second PBA title, in a hard-fought, thrilling series over second-year ballclub Diet Sarsi Sizzlers, 3 games to 2.

Jack Tanuan scored on a difficult baseline drive in the closing seconds and Al Solis sank two free throws to squeeze out the win.

Andy De Guzman, who's been the Sizzlers' top gunner for the second straight game, scored on a buzzer-beating triple to close the gap, 46–53 at halftime.

Alvin Patrimonio, staying out of foul trouble, reasserted his might and put on a one-man show as the Hotdogs pulled away, 88–76, on a 10–0 run.

Glenn Capacio converted on a jumper for a 101–96 count, on the next play, Jack Tanuan misses at close range in a very crucial play, with the score at 102–98 for Purefoods with 51 seconds remaining and possession for the Sizzlers, Dindo Pumaren stole the ball from Al Solis, the Hotdogs had a six-point cushion, 104–98, with 33 seconds left.