Tommy Tuberville, 1/11/2010:

"We're going to air it out," Tuberville said. "We're going to keep the Air Raid. I think it's something that Tech has hit upon that gives them that identity to recruit."

Rich Rodriguez, sometime in 2008:

“We’ll adapt. I like winning too much not to adapt a little bit to our personnel.”

Brady Hoke, 1/14/2011:

"I think you'd be remiss as a coach if you don't know your personnel, and you try to implement something that maybe you're not quite ready for. There's a way to grow to it. So we're not going to try to put any square pegs in round holes."

Midway through Rich Rodriguez's first season it had become clear that Michigan was spectacularly bad at football for the first time since the 60s, and the blame started to go around. A large portion of it was directed at Rodriguez shoehorning Michigan's pro-style personnel into the spread offense, and it was all dumb. Very dumb. I wrote a post explaining how dumb this was called "The Golden Age of Tin." In brief:

• Despite having NFL talent up and down the roster Michigan was about 70th in offense in 2007. All of that talent left.
• Michigan had moved to a zone running game two years before Rodriguez arrived and he changed very little on the line.
• Four of the five starters skill position starters were freshmen who had never played in a pro-style offense. (Brandon Minor would later return from injury/discontent/quasi-suspension and play pretty well.)
• The run-pass split was almost 50-50 a year after WVU ran 70% of the time.
• The quarterbacks were bad in any system.

A couple years later, Nick Sheridan is a grad assistant, a redshirt junior version of Steven Threet has a 18-16 TD-INT ratio for a 6-6 Arizona State team, and Michigan's spread offense is one halfway decent turnover margin/defense/kicker from being awesome. Rich Rodriguez did a lot of things wrong in his time in Ann Arbor, but installing the offense he'd been running for 20 years wasn't one of them.

Because of all the things he did do wrong, however,

he's in a sad car with sad child. Al Borges is now in charge of Denard Robinson, a bunch of slot receivers, tailbacks no one except Fred Jackson thinks much of, and… well… a pretty decent set of pro-style outside receivers, tight ends, and (probably) offensive linemen.

Borges is going to do the only thing he can do with this personnel: coach a pro-style offense with a vertical passing game. This is not going to be as good for Michigan as continuity would be, but the person to blame for that is the athletic director, or Rich Rodriguez, or some of the things Rich Rodriguez did wrong. Al Borges has not spent the last 20 years figuring out how to get mileage out of quarterbacks who double as drag racers in the offseason. He's spent it saying "no, I'm not Jeffery Tambor" and passing to open up the run.

Coincidentally, the best example of what happens when you replace a Rich Rodriguez-type coach with a more passing-oriented guy is when West Virginia replaced Rich Rodriguez with Jeff Mullen. Mullen was the QB coach responsible for turning Wake Forest into a miraculously effective offense through 2007 and arrived in Morgantown promising more balance in the Mountaineer offense. He got it:

OC	Year	Runs	Passes	Run%
Rodriguez	2007	628	265	70%
Mullen	2008	517	305	63%

Unsurprisingly, passes got less effective as they became more frequent. The thing that dropped WVU from a national title contender to just another top 25 team was that despite rushing less, rushes also got less effective.

OC	Year	YPC	YPA	Pass Eff
Rodriguez	2007	6.2	7.8	11th
Mullen	2008	5.3	6.4	28th

If you're thinking Steve Slaton's exit for the NFL may have had something to do with that, replacement Noel Devine actually rushed for 6.3 YPC. What happened? Burgeoning Wolverine Star has a table of its own that highlights the severe drop in productivity from quarterback legs that started as soon as Rodriguez left. Pat White's rushes were exactly as frequent—down to a tenth of a percentage point—as they were in 2007 but his productivity dropped alarmingly. White averaged 6.7(!) YPC under Rodriguez and just 5 under Mullen.

While it's possible the schedule was tougher and the team weaker after Owen Schmitt and a few others graduated, Devine's numbers suggest the most likely explanation for that huge drop is that Mullen didn't know what the hell to do with White.

-------------------------

So. Michigan fans wishing to protect their soul-tingly-bits would do well to regard quotes like these from Borges as gentle untruths created for public perception: 

"I've been doing this for 24 years. I'm no genius and I do not pretend to be one, but I have a hell of a lot of experience with a lot of different types of quarterbacks."

But when Borges goes on to compare Robinson to Michael Vick and what he's doing with the Eagles…

"They said Michael Vick couldn't be a West Coast-style quarterback, and he's one of the top five quarterbacks in the NFL. Why? Because they put him in situations to run and throw. Denard is 6-feet tall, like Michael Vick. He can run and he can throw and make things happen. If Michael Vick can do that with the Philadelphia Eagles, why can't Denard Robinson do that at Michigan?"

…he suggests that "a lot of different types of quarterback" boil down to guys running NFL offenses with various scrambling add-ons. This is not a fluke. Borges has an array of quotes along those lines. It's also not very realistic. Vick's long and winding journey to becoming a good NFL quarterback took ten years of intensive coaching. When he was three years out of high school (like Denard will be next year) he had a 9-7 TD-INT ratio; VT ran 74% of the time. Their offense was a grab-bag of spread 'n' shred mixed with pro-style that featured a heavy dose of option and even more "Mike Vick makes one read on seven-step drop and starts running." It was pretty effective, but it was even more run-heavy than Rodriguez's Pat White days and took the most outrageously athletic player in the last two decades to make it go.

I'm not sure Denard is quite that, and if we're talking about putting Denard in positions to run or pass that just sounds like a lot of rollouts. And here's the weird thing about Robinson: the guy hates running the ball when he's not explicitly directed to. When he got to the edge this year he invariably chose to throw even when it was third and three and there wasn't a guy within six yards of him.

run run run run run nooooooo okay [ninja stuff] wooooo

Maybe that's because Michigan's offense revolved around Denard running 25 times a game and he didn't want to put any more tread on his tires, but seriously, how many times did you scream "run!" at the TV or field last year?

Maybe this will work out. Maybe Michigan will run four verticals at opponents until their safeties scream for help, whereupon Denard will be able to enact one-read-and-scramble. It would be easier to imagine this happening with Braylon Edwards on the outside, but Michigan did have some success throwing deep in the bowl game and I'm guessing Denard's going to spend most of his offseason throwing fly routes.

But if it doesn't, there's no alternative. Coaches are old and crotchety and just are who they are. They have a very specific, gradually moving corpus of knowledge and when they deviate from that performance suffers. Borges is an effective coordinator with a certain sort of offense. Without it he's probably going to be a version of Jeff Mullen. This is no one's fault, really, just like it wasn't anyone's fault three years ago when Rich Rodriguez surveyed his offensive personnel and felt the crevasse beneath him inch open for the first time.

Tommy Tuberville, 12/27/2010:

"I still believe in running the football," he said. "More than what they did in the past. That's the biggest difference. We want to be a bit more physical and be able to run the ball, which will help throwing it down the field, too."

RIP, air raid. RIP, spread 'n' shred.

BONUS: we should put together a pool for when and where the first column approvingly citing Borges's ability to adapt relative to Rodriguez by comparing their first seasons shows up. Bonus points will be awarded for the most irritatingly shallow glossing over of the difference between junior Denard Robinson with seniors around him versus freshman Threetsheridammit surrounded by fellow freshmen.

DISCLAIMER SECTION: I expect these things next year: Denard is a better thrower, turnover margin is a lot better (fourth year running, that prediction), all yardage metrics drop, scoring drops slightly from 25th but is better distributed across the schedule, FEI plummets. Improvement from the defense and, god willing, kicker will mask a drop in offensive power.