▁Walker ▁attended ▁classes ▁at ▁the ▁University ▁of ▁Houston ▁while ▁he ▁played ▁in ▁the ▁NFL ▁for ▁the ▁Houston ▁Tex ans ▁in ▁ 2 0 0 8 , ▁before ▁eventually ▁returning ▁to ▁Notre ▁D ame ▁and ▁comple ting ▁his ▁degree ▁in ▁ 2 0 0 9 . ▁ ▁Personal ▁life ▁D arius ▁Walker ▁is ▁the ▁son ▁of ▁Jimmy ▁Walker , ▁a ▁former ▁All - American ▁def ensive ▁tack le ▁at ▁the ▁University ▁of ▁Ark ansas ▁who ▁played ▁in ▁the ▁NFL ▁with ▁the ▁Minnesota ▁Vik ings . ▁His ▁grand father , ▁William ▁" S on ny " ▁Walker ▁played ▁football ▁at ▁the ▁University ▁of ▁Ark ansas - P ine ▁Bl uff ▁and ▁was ▁the ▁first ▁African ▁American ▁to ▁serve ▁in ▁the ▁Ark ansas ▁state ▁cabinet . ▁He ▁also ▁served ▁in ▁the ▁N ixon ▁administration , ▁working ▁at ▁the ▁Office ▁of ▁Econom ic ▁O pport unity . ▁Walker ' s ▁uncle ▁Hugh ▁J ern igan ▁played ▁at ▁the ▁University ▁of ▁Ark ansas ▁as ▁a ▁def ensive ▁back ▁and ▁was ▁a ▁nin th ▁round ▁draft ▁pick ▁of ▁the ▁Detroit ▁L ions ▁in ▁ 1 9 8 1 . ▁His ▁older ▁brother ▁Del vin ▁played ▁running ▁back ▁for ▁Jackson ville ▁State ▁University . ▁ ▁References ▁ ▁External ▁links ▁ ▁Houston ▁Tex ans ▁bio ▁ ▁Notre ▁D ame ▁Fight ing ▁Irish ▁bio ▁ ▁Category : 1 9 8 5 ▁birth s ▁Category : L iving ▁people ▁Category : American ▁football ▁running ▁back s ▁Category : D allas ▁Cow bo ys ▁players ▁Category : Den ver ▁Bron cos ▁players ▁Category :