The Seattle Mariners and the Chicago Cubs are tied for the most wins in a season, with 116 wins.

what baseball team won the most games in a season
2001Mariners1906Cubs1998Yankees2022Dodgers1954Indians1927Yankees1909Pirates1969Orioles1961Yankees2018Red Sox1986Mets1975Reds1970Orioles2021Giants2019Astros1932Yankees1931Athletics1907Cubs2022Astros2021Dodgers2019Dodgers1998Braves116116114111111110110109109108108108108107107107107107106106106106
TEAMSEASONGWLW%ABRH2B3BHRRBISHSFSBCSBBIBBHBPSOGIDPPATBXBHAVGOBPSLGOPS
Seattle MarinersSeattle Mariners200116211646.7165,6809271,6373103816988148701744261454629891126,4742,530517.288.360.445.805
Chicago CubsChicago Cubs190615511636.7635,0187041,3161817120539231283448455165,7421,699272.262.328.339.667
New York YankeesNew York Yankees199816211448.7045,6439651,6252903120790732591536365334571,0251456,4442,598528.288.364.460.825
Los Angeles DodgersLos Angeles Dodgers202216211151.6855,5268471,41832531212812353981860722561,374856,2452,441568.257.333.442.775
Cleveland IndiansCleveland Indians195415611143.7215,2227461,36818839156714107593033637236681146,0482,102383.262.341.403.744
New York YankeesNew York Yankees192715511044.7145,3549761,6442911031589072049064642226106,2222,615552.307.384.488.872
Pittsburgh PiratesPittsburgh Pirates190915411042.7245,1287011,3322189225585217185479365115,8601,809335.260.327.353.680
Baltimore OriolesBaltimore Orioles196916210953.6735,5187791,465234291757227459824563462438061386,3282,282438.265.343.414.756
New York YankeesNew York Yankees196116310953.6735,5598271,461194402407815745281854345357851206,2392,455474.263.330.442.771
Boston Red SoxBoston Red Sox201816210854.6675,6238761,509355312088297481253156938551,2531306,3022,550594.268.339.453.792
New York MetsNew York Mets198616210854.6675,5587831,4622613114873075531184863168319681226,3482,229440.263.339.401.740
Cincinnati RedsCincinnati Reds197516210854.6675,5818401,5152783712477966451683669167359161226,4182,239439.271.353.401.754
Baltimore OriolesBaltimore Orioles197016210854.6675,5457921,424213251797486446843971764449521106,4162,224417.257.344.401.745
San Francisco GiantsSan Francisco Giants202116210755.6605,4628041,360271252417683630661460245641,4611176,1942,404537.249.329.440.769
Houston AstrosHouston Astros201916210755.6605,6139201,538323282888911057672764517661,1661466,3912,781639.274.352.495.848
New York YankeesNew York Yankees193215610747.6955,4761,0021,56427982160954767766765275266,3442,487521.286.376.454.830
Philadelphia AthleticsPhiladelphia Athletics193115310745.7045,3778581,54431164118798782523528355436,0182,337493.287.355.435.789
Chicago CubsChicago Cubs190715510745.7044,8925711,2241624813450195235435484495,5701,521223.250.318.311.628
Houston AstrosHouston Astros202216210656.6545,4097371,34128413214715942832252818601,1791186,0482,293511.248.319.424.743
Los Angeles DodgersLos Angeles Dodgers202116210656.6545,4458301,3302472423779932456517613361041,408966,2392,336508.244.330.429.759
Los Angeles DodgersLos Angeles Dodgers201916210656.6545,4938861,416302202798625545571060747811,3561006,2812,595601.258.338.472.810
Atlanta BravesAtlanta Braves199816210656.6545,4848261,489297262157947646984354837611,0621046,2152,483538.272.342.453.795
St. Louis CardinalsSt. Louis Cardinals194215610648.6885,4227551,45428269606801307155122505906,1252,054411.268.338.379.717
New York YankeesNew York Yankees193915210645.7025,3009671,5212595516690492723770136543996,1292,388480.287.374.451.825
New York GiantsNew York Giants190415810647.6935,1507441,3472026531564165283434794595,8281,772298.262.328.344.673
St. Louis CardinalsSt. Louis Cardinals200416210557.6485,5558551,5443192421481773701114754864511,0851216,2972,553557.278.344.460.804
Brooklyn DodgersBrooklyn Dodgers195315510549.6825,3739551,52927459208887759047655356861156,1382,545541.285.366.474.840
St. Louis CardinalsSt. Louis Cardinals194415710549.6825,4747721,507274591007221243754327471966,1682,199433.275.344.402.745
St. Louis CardinalsSt. Louis Cardinals194315710549.6825,4356791,51525972706381734042819437926,0552,128401.279.334.392.725
Boston Red SoxBoston Red Sox191215410547.6915,0717991,4042698429654191185182565455865,8721,928382.277.355.380.735