Rain or Shine averted a stunning collapse with a big fourth-quarter comeback to go 3-1 in the PBA Commissioner’s Cup at the expense of slumping Magnolia. But for coach Yeng Guiao, Wednesday’s 102-100 squeaker at Ninoy Aquino Stadium has a special feeling. “Dati wala kaming (before, we didn’t have a) finishing kick, ‘di namin masara