9 9 7 , ▁and ▁ 2 0 0 2 . ▁An ▁equal ▁number ▁of ▁runs ▁were ▁scored ▁by ▁the ▁teams ▁in ▁ 1 9 4 8 ▁( 6 ▁games ), ▁ 2 0 1 6 , ▁and ▁ 2 0 1 7 . ▁A ▁five - game ▁series ▁winner ▁has ▁yet ▁to ▁be ▁out sc ored , ▁with ▁the ▁closest ▁margin ▁being ▁two ▁runs ▁in ▁ 1 9 1 5 . ▁The ▁closest ▁composite ▁margin ▁in ▁a ▁four - game ▁swe ep ▁is ▁six ▁runs ▁( 1 9 5 0 ▁and ▁ 2 0 0 5 ). ▁ ▁Local ▁rival ries ▁▁ ▁When ▁two ▁teams ▁share ▁the ▁same ▁state ▁or ▁metropol itan ▁area , ▁fans ▁often ▁develop ▁strong ▁lo y alt ies ▁to ▁one ▁and ▁ant ip ath ies ▁towards ▁the ▁other , ▁sometimes ▁building ▁on ▁already - ex isting ▁rival ries ▁between ▁cities ▁or ▁neighborhood s . ▁Before ▁the ▁introduction ▁of ▁inter le ague ▁play ▁in ▁ 1 9 9 7 , ▁the ▁only ▁opportunity ▁for ▁two ▁teams ▁playing ▁in ▁the ▁same ▁area ▁but ▁in ▁different ▁le agues ▁to ▁face ▁each ▁other ▁in ▁official ▁competition ▁would ▁have ▁been ▁in ▁a ▁World ▁Series . ▁ ▁Cross - town ▁Series ▁ ▁The ▁first ▁city ▁to ▁host ▁an ▁entire ▁World ▁Series ▁was ▁Chicago ▁in ▁ 1 9 0 6 . ▁ ▁The ▁Chicago ▁White ▁So x ▁were ▁known ▁as ▁" the ▁Hit less ▁W onders " ▁that ▁year , ▁with ▁the ▁worst ▁team ▁batt ing ▁average ▁in ▁the ▁American ▁League . ▁ ▁The ▁Chicago