▁regular ▁season ▁games , ▁a ▁total ▁that ▁ranks ▁ 2 0 th ▁among ▁ML B ▁teams ▁and ▁fourth ▁among ▁expansion ▁teams . ▁ ▁The ▁M ets ▁lost ▁ 1 2 0 ▁games ▁in ▁their ▁inaug ural ▁season , ▁the ▁most ▁by ▁a ▁post - 1 9 0 0 ▁ML B ▁team . ▁After ▁six ▁more ▁years ▁in ▁which ▁their ▁best ▁league ▁finish ▁was ▁nin th , ▁the ▁M ets ▁won ▁the ▁World ▁Series ▁in ▁ 1 9 6 9 , ▁defe ating ▁the ▁Baltimore ▁Ori oles ▁in ▁five ▁games ▁to ▁ear n ▁what ▁is ▁widely ▁considered ▁one ▁of ▁the ▁biggest ▁ups ets ▁in ▁baseball ▁history . ▁Four ▁seasons ▁later , ▁the ▁M ets ▁returned ▁to ▁the ▁World ▁Series , ▁where ▁they ▁lost ▁to ▁the ▁Oak land ▁Athletics ▁in ▁seven ▁games . ▁After ▁winning ▁two ▁N L ▁champion ships ▁in ▁five ▁years , ▁New ▁York ▁strugg led ▁for ▁the ▁next ▁de cade , ▁not ▁coming ▁within ▁ 1 0 ▁games ▁of ▁the ▁N L ▁East ▁leader ▁until ▁ 1 9 8 4 . ▁ ▁In ▁ 1 9 8 6 , ▁the ▁team ▁posted ▁ 1 0 8 ▁wins , ▁the ▁most ▁in ▁franch ise ▁history , ▁and ▁defeated ▁the ▁Houston ▁Ast ros ▁in ▁the ▁National ▁League ▁Championship ▁Series ▁( NL CS ) ▁to ▁advance ▁to ▁the ▁World ▁Series . ▁Tra iling ▁three ▁games ▁to ▁two ▁in ▁the ▁series , ▁the ▁M ets ▁were ▁one ▁out ▁from ▁defeat ▁in ▁game ▁six ▁before ▁coming ▁back ▁to ▁win ▁ 6 – 5 ; ▁they ▁won ▁game