<Tr> <Th_colspan="2"> MLB seasons </Th> </Tr> <Tr> <Td_colspan="2"> ← 2017 2019 → </Td> </Tr> <P> The 2018 Major League Baseball season began on March 29, 2018 . The regular season ended on October 1, extended a day for tiebreaker games to decide the winners of the National League Central and National League West divisions . The postseason began on October 2 . The 2018 World Series began on October 23, and ended on October 28 with the Boston Red Sox defeating the Los Angeles Dodgers in five games to win their ninth World Series championship . </P> <P> The 89th Major League Baseball All - Star Game was held on July 17 at Nationals Park, the home of the Washington Nationals . The American League won 8--6 in 10 innings . </P>

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