The Houston Astros are an American professional baseball team based in Houston. The Astros compete in Major League Baseball (MLB) as a member club of the American League (AL) West division, having moved to the division in 2013 after spending their first 51 seasons in the National League (NL). From 1962 through the end of the 2021 season, the Astros' all-time record is 4,725-4,764 (.498)