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Photo by: Nati Harnik

FILE - This file photo from March 16, 2011 shows Nebraska head coach Bo Pelini throwing a football at the start of a spring football practice session, in Lincoln, Neb. If Pelini is stressed about his team's dismal finish to 2010, the staff turnover that followed and the new challenges that await in the Big Ten, he isn't showing it. (AP Photo/Nati Harnik, File)

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