Premium will be on stamina as Creamline, PetroGazz, BanKo-Perlas and Motolite brace for back-breaking back-to-back weekend semifinal games of the Premier Volleyball League Open Conference at the Filoil Flying V Center in San Juan starting tomorrow.

But while the top-seeded Creamline is expected to re-assert its mastery over the No. 4 Motolite, whom it dominated twice on its way to complete a record sweep of the double-round eliminations, the PetroGazz-BanKo-Perlas duel remains a toss-up after the two teams split their eliminations matches.

The Perlas Spikers clobbered the Angels in four in the first round but the latter got back at the former in the next, fashioning out a three-game sweep en route to claiming the No. 2 ranking in the Final Four.

Despite the absence of top spiker Alyssa Valdez and playmaker Jia Morado, the Cool Smashers continued to dish out one big game after another to move four victories away from completing a grand sweep of the season-ending conference.

But Motolite vows to put up one, or two big fights, to spoil the Cool Smashers’ record drive behind the likes of Myla Pablo, Tots Carlos, Aie Gannaban, Isa Molde, Jessma Ramos, Genn Layug and skipper and setter Iris Tolenada, who will go up again against a powerhouse Creamline cast made up of Jema Galanza, Michele Gumabao, Pau Soriano, Rosemarie Vargas, Celine Domingo and playmaker Kyle Negrito.

Creamline and Motolite kick off semis hostilities at 2 p.m. with PetroGazz, who formalized its claim on No. 2 with a straight-set win over Choco Mucho at the close of the eliminations late Wednesday and BanKo-Perlas facing off at 4 p.m.

The two pairs switch game times on Sunday with observers seeing another Creamline-PetroGazz title clash with the Cool Smashers itching to get back at their Reinforced Conference finals tormentors.