So if St. John's wins at Butler next game are they getting into the tournament? Their last two games are at DePaul and Georgetown at home, they'll win both of those.
Likely not. St John's was deep bubble before this. This is a nice win, but at home. This moves them from 1- to 2-9 in Q1. Butler would be another, so 3-9. They'll be 9-11 in Q1+2 at that point and they'd get the 5 seed in BET (or 6 or 7 or 8 depending on other results and tiebreakers). Losing eventually will give them another likely Q1 loss (if they get autobid this talk is all moot so they have to lose), so 9-12. They probably need 2 non-Gtown or DePaul wins in BET to get to 11-12 in Q1+2.
They probably actually don't want the 5, as it gives them a bye and that makes their 2 wins tougher games, though the 6 or 7 gives them essentially a non-win (GTown or DePaul in rd 1 are both quad 3 on neutral). So ideally for them they get the 8 and then beat Butler and then beat us, unfortunately the 8 is their least likely seed if they win out.