Hybrid Theory Pt. 2: Jim Knowles's defensive evolution and what it means for Penn Stateby:Thomas Frank Carr•about 10 hours•ThomasFrankCarrRead In AppNew Penn State defensive coordinator Jim Knowles will oversee the Nittany Lions defense in a new iteration of the team's 4-2-5 approach. (Photo: Adam Cairns/Columbus Dispatch / USA TODAY NETWORK)
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