... for turning three-star recruits into NFL all-stars.

Kyle Calloway appears to be another example of that.

Like fellow Hawkeye Bryan Bulaga, Calloway is another rock-solid offensive lineman coached by Ferentz who looks to be drafted fairly early in this year's NFL draft.

Part of Iowa's infamous 2005 recruiting class, Calloway came in as a three-star recruit rated No. 55 in the country at his position by Rivals.  A few of his future teammates, Dan Doering and Dace Richardson, were actually ranked ahead of him.

Now, Calloway is considered one of the best offen...

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