▁League ' s ▁Houston ▁Ast ros ▁( start ed ▁play ▁as ▁the ▁Col t ▁. 4 5 s ▁in ▁ 1 9 6 2 ▁as ▁a ▁member ▁of ▁the ▁National ▁League ; ▁renamed ▁the ▁Ast ros ▁beginning ▁in ▁ 1 9 6 5 ▁and ▁began ▁playing ▁in ▁the ▁American ▁League ▁in ▁ 2 0 1 3 ), ▁with ▁the ▁National s ▁winning ▁in ▁seven ▁games . ▁ ▁In ▁the ▁first ▁World ▁Series ▁to ▁only ▁have ▁expansion ▁teams , ▁the ▁New ▁York ▁M ets ▁and ▁the ▁Kansas ▁City ▁Roy als ▁were ▁each ▁the ▁first ▁expansion ▁team ▁in ▁each ▁respective ▁league ▁to ▁appear ▁in ▁the ▁World ▁Series , ▁the ▁M ets ▁in ▁ 1 9 6 9 ▁and ▁the ▁Roy als ▁in ▁ 1 9 8 0 . ▁ ▁Each ▁team ▁was ▁also ▁the ▁first ▁team ▁in ▁each ▁respective ▁league ▁to ▁win ▁the ▁World ▁Series , ▁the ▁M ets ▁in ▁ 1 9 6 9 ▁and ▁the ▁Roy als ▁in ▁ 1 9 8 5 . ▁ ▁Each ▁team ▁has ▁the ▁most ▁appearances ▁by ▁an ▁expansion ▁team ▁in ▁each ▁respective ▁league ▁in ▁the ▁World ▁Series , ▁with ▁five ▁for ▁the ▁M ets ▁in ▁ 1 9 6 9 , ▁ 1 9 7 3 , ▁ 1 9 8 6 , ▁ 2 0 0 0 , ▁and ▁ 2 0 1 5 , ▁and ▁four ▁for ▁the ▁Roy als ▁in ▁ 1 9 8 0 , ▁ 1 9 8 5 , ▁ 2 0 1 4 , ▁and ▁ 2 0 1 5