They're going to the playoffs 100%, and I'd say there's a 90% chance they win the division too.
I don't see the Astros winning out and the Rangers losing out, and that's basically what it would take for them to find themselves on the outs.
The Astros really choked this away, though. Since they swept the Rangers a few weeks back, they've faced the A's and the Royals twice and lost every single one of those series'.
They couldn't have asked for an easier end to the season and yet they still botched it. But props to the Rangers who were pretty much left for dead but showed real heart and fight to get back into this one.
I think they win the AL West.