The number says Houston is -20.5. I say take it—and don't stop there, because the total's worth a look too. Oregon State is walking into Week 1 with a first-time head coach, a first-time starting quarterback, and a patched-together offensive line, all on the road against a Houston team built to shorten games once it's ahead. That's the whole betting angle in one sentence. Here's the case for it. Willie Fritz didn't rebuild this roster to squeak past teams like Oregon State—he rebuilt it to compete for a Big 12 championship that, this year, doesn't have an obvious favorite locked in outside of…