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
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.
12-4
8 wins and 8 lost
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
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.
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.