That was the St. Louis Cardinals at 100-62. In the American League, the Chicago White Sox had the best regular season record at 99-63.
The team with the best regular season record in 2004 was the Pittsburgh Steelers at 15-1.
The Vikings had the best regular season record in 1998 at 15-1.
The Packers' best NFL regular season record was in the 2011 season, when they went 15-1.
Chicago bulls
The Boston Celtics regular season record was 68-14 in the 1972-73 season.
The Miami Dolphins won Super Bowl VII after posting a regular season record of 14-0.
Your Answer: Houston Astros
Alanta falcons
The team with the best regular season record to lose was the 1906 Chicago Cubs who went 116-36 and lost the World Series to the Chicago White Sox.
The Astros best regular season record was 102-60 in 1998. They were defeated by the San Diego Padres in the NLDS that season, 3 games to 1. The Astros only World Series appearance was in 2005 where they lost to the Boston Red Sox, 4 games to 0. Their regular season record in 2005 was 89-73.
The Cowboys had regular-season records of 13-3 in 1992 and 2007.