according to the AAMC, 158 admitted Texas residents enrolled out of state (wow thats a tiny number!), and 118 texas residents enrolled at Baylor.
That means there are at MAX 176 spots. You can substract a few for people that are admitted to out of state schools but not at all to a TX schools.
So you can estimate 160 or so spots open up overall. (of course i'm ignoring out of staters here, so the numbers probably vary by 10% or so)
Of course one spot opening up at one UT causes a domino effect at the others.