A two - time Big 12 Defensive Player of the Year , Wistrom was a consensus All - American .
A two - time Big 12 Defensive Player of the Year , Wistrom won NU 's fourth Lombardi Award in 1997 .
A two - time Big 12 Defensive Player of the Year , Wistrom was a consensus All - American and won NU 's fourth Lombardi Award in 1997 .