He was taking plays off in his highlight film, or you were watching whole game film?
So there's no misunderstanding here...
With regards to Kevin Young: I've heard through the grapevine, he tends to take plays off during a game.
Although I can't honestly say, with 100% accuracy, if this is true or not.
However, based on the film I did see of him last year, all these points are valid.
* He's kinda slow
* He doesn't really explode of the line
* He has trouble shedding blocks
* He some times plays with a high pad level
* He's inconsistent
Kevin Young is a developmental project who, even at Kansas, probably won't even see the field, barring a severe run of injuries along the DL until his redshirt junior year-if ever.
Now could I be wrong about this kid? Sure. But from what I saw he was nothing special and I think he'll be nothing more than a career back-up. JMO.
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Edit: Here's Kevin Young's highlight film...