Anyhow, to reiterate upon my above post ... I'd give DJK a 0% chance to have EVER won the Heisman ... and that's even IF Iowa were to have gone undefeated. He simply wouldn't have deserved it.
I would add several other "factors":
The Good
--At his "best", DJK showed he had as much talent as any receiver we've ever had at IOWA. I'm thinking one-handed catches, a couple KOR TDs, tight-rope TDs, etc.
--DJK clearly became a pretty good, if not really good, downfield blocker in his last three years
Now, the Not-So-Good
--How many times did we see deep balls that weren't completed because DJK appeared to "quit" or not "run through" on his route?
--How many dropped balls did we see each and every year?
--Lastly, in the 2009 Indiana game alone, he had at least two balls where he should have "turned into a DB", but instead, the result was an INT
Was DJK "underutilized"? Hard to say. He may have done his biggest "service" by being "good enough" to draw enough attention that McNutt was able to have pretty decent success. He certainly took advantage of his move to full-time KOR. And he was certainly glowing in his praise of Stanzi when there was still a QB battle going on.
It also appears that he was a distraction at times. That may work at Florida or USC. It clearly doesn't under KF. Thank God.
On balance, DJK is certainly one of my favorite players of the 2007-2010 era. But if you had said, "Would you sit DJK if Shonn Greene promised to stay for the 2009 season?", the answer is deceptively simple: "Stay healthy, Colin and Marvin!"