If based on reverse draft order, it's SMB, TNT, Ginebra, and Magnolia.
for reference, here's the 2019 cumulative standing (elims+playoffs)
Pos Team GP W L PCT Qualification
1 TNT KaTropa 54 35 19 0.648 Finalist
2 Barangay Ginebra San Miguel 52 33 19 0.635 Champions
3 San Miguel Beermen 61 37 24 0.607 Champions
4 NorthPort Batang Pier 42 22 20 0.524 Semifinalist
5 Rain or Shine Elasto Painters 48 24 24 0.500
6 Magnolia Hotshots 53 26 27 0.491 Finalist
7 Phoenix Pulse Fuel Masters 33 16 17 0.485 Semifinalist
8 Meralco Bolts 45 20 25 0.444 Finalist
9 NLEX Road Warriors 36 15 21 0.417 Quarterfinalist
10 Alaska Aces 39 16 23 0.41
11 Blackwater Elite 36 12 24 0.333
12 Columbian Dyip 33 11 22 0.333 Elimination round
source: (
https://en.wikipedia.org/wiki/2019_PBA_season)
they really need to compress the season, 54 games in 10 months? or just revert to the old 2 conference format, the EASL could fill the time slot of the 3rd conference