I'm not sure where you're getting your impressions from with Tennessee considering he was there one year.
Just as a few notes to consider about UT.
Yards per game (average) when he took over increased by almost 120 per game. UT finished next to last in total offense for the 2008 season, finished sixth in 2009. If you want to take out OOC games and simply go with conference play the story remains the same.
Scoring offense went from averaging 17 points per game to 30. In conference play it was 29.
Passing offense ranked third in the SEC in 2009; 11th in 2008.
There's not a team in the conference I love winning against more than Tennessee. When he was at the helm there, beating them was all the more sweeter. As I've stated, his brash attitude, braggadocious demeanor, and incessant "smack talk" grated my last nerve.
However, his results I couldn't argue against.
I'm curious. Why do you choose 2012 but ignore 2011? There were discussions on this very forum about three teams around this same time in 2012—Alabama, LSU, and USC. All three were receiving about the same recognition, nation wide, about how they'd do that season. Almost to a man (or lady) the USC ranking was questioned with a major point each time—the sanctions are going to affect the depth and their preseason ranking wasn't telling that story.
That's followed by numbers from 2013 where the story of numbers, in this case scholarship numbers, were even greater. I'd imagine we'd agree on Stanford having the best defense that season—or at least one of the best of that conference. USC gave them a good run for their money losing be seven. 51 against Oregon in a losing effort that season does demonstrate and offense that could be productive.
Your 2+2=4 is a simple, elementary math analogy. When judging how he'll do as an offensive coordinator in 2014 is a question left unanswered. For that very reason I've no disagreement in questioning the duo's ranking.
To ignore what he has accomplished, based on what can be easily found, I do believe there's reason to pause before making blanket statements about how he'll do.
A more difficult question to answer is what would he have to do to be considered a success this fall. The bar has been set pretty high over the last few years in a lot of statistical categories.
I posed it here and ran into a myriad of responses—some reasonable, some not.
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