▁Young s . ▁Even ▁with ▁Young s ▁out , ▁that ▁year ' s ▁Gi ants ▁team ▁had ▁six ▁future ▁Hall ▁of ▁Fam ers ▁in ▁the ▁starting ▁line up ▁and ▁one ▁future ▁Hall ▁of ▁Fame ▁pitch er . ▁Har per ▁had ▁a ▁. 4 3 5 ▁on - base ▁percentage ▁that ▁year , ▁good ▁enough ▁for ▁third ▁best ▁in ▁the ▁National ▁League , ▁but ▁the ▁team ▁finished ▁in ▁third ▁place . ▁ ▁On ▁May ▁ 1 0 , ▁ 1 9 2 8 , ▁Har per ▁was ▁trad ed ▁to ▁the ▁St . ▁Louis ▁Card inals ▁for ▁catch er ▁Bob ▁O ' F ar rell . ▁On ▁September ▁ 2 0 , ▁the ▁Card inals ▁were ▁facing ▁the ▁Gi ants ▁when ▁Har per ▁hit ▁three ▁home ▁runs ▁in ▁one ▁game . ▁Writing ▁for ▁the ▁North ▁American ▁New sp aper ▁Alliance , ▁Walter ▁S . ▁Tr umb ull ▁said ▁that ▁Har per ▁had ▁likely ▁won ▁the ▁p enn ant ▁for ▁St . ▁Louis ▁with ▁that ▁performance . ▁The ▁Card inals ▁went ▁to ▁the ▁ 1 9 2 8 ▁World ▁Series , ▁where ▁they ▁were ▁swe pt ▁by ▁the ▁New ▁York ▁Yan ke es . ▁Har per ▁appeared ▁in ▁three ▁games , ▁collect ing ▁one ▁hit ▁in ▁eleven ▁plate ▁appearances . ▁ ▁He ▁finished ▁his ▁career ▁with ▁a ▁. 3 0 3 ▁batt ing ▁average , ▁ 9 1 ▁home ▁runs , ▁and ▁ 5 3 0 ▁R BI . ▁He ▁remained ▁active ▁in ▁the ▁minor ▁le agues ▁through ▁ 1 9 3 6 ▁and ▁included