Do or die. So, good news about the game tonight: MGoBlog will not be hosting a liveblog. Therefore, Michigan has a chance. Bad news: gimpy Purdue star Robbie Hummel is a go.

I've laid it out before and I believe the equation still holds: Michigan needs two of its final three games and then one win in the Big Ten Tournament to feel pretty good about getting in. Gacking it up against Iowa has cut their margin of error down greatly, and I'm expecting the NIT. But if homoerotic hobbits on a trek into Mordor teach us anything, it's that short pasty white guys with curly hair can do anything. So rock on.

Fuller previews can be found at UMHoops and Hammer and Rails; Purdue is favored by 2.5. Hopefully no one gets ejected for an inadvertent elbow this time.

What with the Threet. While on John Bacon's show on WTKA I mentioned what I had heard about Threet's decision to transfer. MVictors recaps:

One of Cook’s insiders revealed that Rodriguez met with Steve Threet and basically told him he’s decided frosh Tate Forcier is getting all the snaps this spring. Thus Threet bolted. If this was posted on mgoblog I missed it (and maybe the info wasn’t solid enough to post).

Some clarification: I've heard this from a few different people, all of them on the Threet side of things. I didn't post anything on it because it didn't seem quite strong enough, but when I was LIVE it just sort of came out and there it is. The details are still fuzzy but Threet clearly felt he was not going to have a full opportunity to win the job and, not wanting to be David Cone, decided to go elsewhere.

It's a risk on Rodriguez's part to be sure; the upside is that Forcier gets all the snaps and will be as ready as he possibly can be when Western Michigan rolls into town. Which may not be particularly ready, but he's all we've got.

Risk and expectation and so forth and so on. Braves and Birds notes a Smart Football post on the appropriate amount of risk to take in a football game. This has long been a topic of interest here, too, as it was my longstanding opinion that Lloyd Carr's answer to that ("almost none unless we're playing Ohio State") was way too conservative. However, conservative strategy has its place. Smart Football:

Is it always "optimal" to set your strategy to maximize points scored?

In the NFL -- which is what Brian [not me, this Brian –ed] focuses on -- this is likely true and the assumption holds. NFL teams are almost all competitive with each other, and even the worst teams can beat the best in a given game. So any reduction in expected points is likely to hurt a team's chances of winning because they need to maximize that out to get wins.

But is that true in college? Or in high school? Think about when Florida plays the Citadel. The Gators have a massive talent advantage compared with the Bulldogs. As a result, what is the only way they can lose? You guessed it: by blowing it. They can really only lose if they go out and throw lots of interceptions, gamble on defense and give up unnecessary big plays, or just stink it up.

My theory as to why Michigan got so stagnant under Carr was an extension of the Florida-vs-Citadel mindset. Bo Schembechler pretty much believed everyone was the Citadel—or, more likely, never gave a whole lot of thought about the appropriate level of risk in a football game past the Woody Hayes maxim that "only three things can happen when you throw the football and two of them are bad." This worked out fine for him because everyone in the Big Ten other than Ohio State pretty much was the Citadel: it would take some seriously freak occurrences for Michigan to lose to them.

Carr's mindset was formed in this era, but he coached in an era of greatly increased parity. This was bad. When you give away expectation against the Citadel, you just win by less. When you give it away against a competitive but slightly inferior team you are going to find yourself in a lot of late-game dogfights and some of those are going to slip away. Carr started moving away from this philosophy, but it was a halting process, and I could write about this sort of thing forever. It's a digression.

Not a digression: no, it's not always optimal to maximize your points scored. It's pretty easy to set up a situation where it's not (you have the ball on the opponent's five yard line with thirty seconds left and you're down two, etc etc). While a lot of these things are specific situations they illuminate a larger issue: most of the measures, even the advanced measures we have at Football Outsiders and places like that, don't take variance into account.

Smart Football's got a theory that teams should strive for run-pass equilibrium in a different fashion than you hear about it on TV. Instead of running half the time or getting half of your yards on the ground, you should seek to have your passing plays and running plays gain the same number of yards. Just about no one does this except real weirdo offenses like Texas Tech. One possibility is coaches are just doing it wrong. The other possibility is that there's an institutional wisdom there.

What would that wisdom be? Well, gaining big hunks of yards a portion of the time and getting zero a lot is a different way of doing things than gaining small hunks of yards a lot and not getting zero very often. Is second and seven better than second and two half the time and second and ten the other half? That's an unanswered question.

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