Nebraska defensive coordinator John Papuchis is encouraged by the increased athleticism and depth of the Cornhuskers' defense this fall.  But he clearly does not want this optimism to translate into elevated expectations for his Blackshirts in 2013.

His post-practice comments to the media appeared hesitant and calculated as he tiptoed the line between encouragement and hype.

Yet he did so for good reason.

Entering this fall, Papuchis can take comfort in the rock-bottom expectations for his defensive unit.

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