it is tied between the Seattle Mariners and the Chicago cubs.
The Cowboys had regular-season records of 13-3 in 1992 and 2007.
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 show began to lose viewers and got bad ratings after its first season which on record was the best season out of the 4 recieveing the best ratings, and because of that, producers would've lost money to continue on with the TV series
12-4
8 wins and 8 lost
The Steelers best season, as far as their record, was 2004, they went 15-1 and lost the championship game. The Steelers best seasons were when they won the Super Bowl. The 1974, 1975, 1978, 1979, 2005 and 2008 seasons.
regular season= 12-4 and post season= lost first round
16-0 in the regular season. they lost to the Giants in the Super Bowl
The Steelers started the 2009 season with a 6-2 record, then lost five games in a row. They won their final three games and ended the season with a 9-7 record.
The Mets have a 154-147 record with the Florida Marlins. Their best season was 10-3 in 1999 and their worst was 4-15 in 2004
Through the 2009 season, once, that in 1965 when they went 102-60 and lost the World Series to the Los Angeles Dodgers in 7 games.