The 2018 Houston Astros season was the 57th season for the Major League Baseball (MLB) franchise in Houston, Texas, their 54th as the Astros, sixth in both the American League (AL) and AL West division, and 19th at Minute Maid Park. The Astros were the defending World Series champions, after winning the 2017 World Series four games to three over the Los Angeles Dodgers. Houston began the season March 29 against the Texas Rangers and finished the season on September 30 against the Baltimore Orioles, capping off an unprecedented second consecutive 100-win season.