</s> ▁David ▁Mark ▁Green wood ▁( born ▁March ▁ 2 5 , ▁ 1 9 6 0 ▁in ▁Park ▁F alls , ▁Wisconsin ) ▁is ▁a ▁former ▁American ▁football ▁safety ▁who ▁played ▁three ▁seasons ▁in ▁the ▁National ▁Football ▁League . Cons ider ed ▁by ▁many ▁to ▁be ▁the ▁greatest ▁high ▁school ▁ath lete ▁in ▁the ▁history ▁of ▁Wisconsin , ▁Green wood ▁excel led ▁in ▁track ▁and ▁basketball ▁as ▁well ▁as ▁football ▁in ▁high ▁school . ▁He ▁still ▁holds ▁the ▁Wisconsin ▁prep ▁high ▁jump ▁record ▁( 7 ' 2 ") ▁He ▁went ▁on ▁to ▁become ▁a ▁four - year ▁st arter ▁at ▁both ▁safety ▁and ▁pun ter ▁for ▁the ▁Wisconsin ▁Bad gers . ▁Pre viously , ▁he ▁played ▁in ▁the ▁United ▁States ▁Football ▁League ▁also ▁as ▁a ▁pun ter ▁for ▁the ▁Michigan ▁Pan thers ▁and ▁the ▁Oak land ▁Inv aders . ▁Before ▁joining ▁the ▁US FL , ▁he ▁was ▁expected ▁to ▁be ▁a ▁ 1 st - round - quality ▁NFL ▁draft ▁pick , ▁a ▁strong ▁h itter ▁and ▁bl itzer ▁who ▁performed ▁poor ly ▁at ▁man - to - man ▁coverage . ▁He ▁played ▁in ▁all ▁ 1 6 ▁games ▁for ▁the ▁T ampa ▁Bay ▁Bu cc ane ers ▁in ▁ 1 9 8 5 , ▁starting ▁ 1 0 , ▁but ▁was ▁cut ▁early ▁in ▁training ▁camp ▁the ▁next ▁year ▁due ▁to ▁incons ist ency . ▁He ▁bl amed ▁this ▁on ▁burn out , ▁having ▁started ▁in ▁the ▁Bu cc ane ers ' ▁season ▁op ener ▁only ▁one ▁week ▁after ▁leaving ▁the