<P> Over the course of 126 seasons (from 1892 through 2017), 102 teams have won 100 or more games in a single Major League Baseball season . While this makes the feat a relatively common occurrence, the 100 - win threshold remains the hallmark of the best teams in a given season . </P> <P> While there have been 23 seasons with two or more 100 - win teams, only six seasons have seen three teams finish above the 100 - win threshold in the same season . </P> <Ul> <Li> St. Louis Cardinals, NL (106--48) (. 688) </Li> <Li> Brooklyn Dodgers, NL (104--50) (. 675) </Li> <Li> New York Yankees, AL (103--51) (. 669) </Li> </Ul>

Most mlb teams with 100 wins in same season