▁threw ▁to ▁future ▁NFL ▁receiver ▁H aven ▁Mos es , ▁a ▁team mate ▁at ▁Har bor ▁J C . ▁ ▁Play ing ▁career ▁ ▁Green ▁Bay ▁Pack ers ▁Horn ▁was ▁a ▁first - round ▁selection ▁in ▁the ▁ 1 9 6 7 ▁NFL / AF L ▁draft , ▁ 2 5 th ▁overall , ▁taken ▁by ▁the ▁def ending ▁Super ▁Bowl ▁champion ▁Green ▁Bay ▁Pack ers . ▁ ▁He ▁served ▁as ▁Bart ▁St arr ' s ▁back - up ▁in ▁Green ▁Bay ▁for ▁four ▁seasons , ▁although ▁he ▁was ▁in ▁the ▁U . S . ▁Army ▁in ▁ 1 9 6 8 ▁and ▁wasn ' t ▁activ ated ▁until ▁hours ▁before ▁the ▁season ▁finale ▁in ▁mid - Dec ember . ▁Horn ▁rel ieved ▁injured ▁back - up ▁Ze ke ▁Br at kow ski ▁in ▁the ▁first ▁quarter ▁and ▁gu ided ▁the ▁Pack ers ▁to ▁a ▁one - point ▁win ▁over ▁the ▁Chicago ▁B ears ▁at ▁W rig ley ▁Field , ▁which ▁denied ▁them ▁the ▁division ▁title . ▁ ▁Horn ' s ▁greatest ▁game ▁as ▁a ▁professional ▁came ▁in ▁ 1 9 6 9 ▁at ▁Lam be au ▁Field . ▁Play ing ▁at ▁home ▁in ▁the ▁season ▁finale ▁on ▁December ▁ 2 1 ▁against ▁the ▁St . ▁Louis ▁Card inals , ▁he ▁completed ▁ 2 2 ▁of ▁ 3 1 ▁passes ▁for ▁ 4 1 0 ▁yards , ▁with ▁five ▁touch down ▁passes ▁and ▁one ▁inter ception . ▁He ▁started ▁five ▁games ▁in ▁ 1 9 6 9 , ▁leading ▁the ▁Pack ers ▁to