The A team.
The 1998 New York Yankees had the most wins in team history with 125. They had 114 wins during the regular season and 11 more in the postseason.
The Dallas Cowboys hold the record for most postseason appearences with 28. They also hold the record for most postseason games played with 54.
The 1998 Yankees won the most regular season games. The Yankees won 125 games in 1998. 114 games in the regular season and 11 more in the postseason.
The Dallas Cowboys with 32 wins.
The Dallas Cowboys, who have won 33 postseason games as of the start of the 2010 season.
Yes, several. Most notably, from 1971-74 UCLA went undefeated winning 88 games in a row.
Derek Jeter (aka Mr. November) holds the record for most postseason appearances. He's played in 158 postseason games with a .309 career postseason batting average. The New York Yankees have made it to the postseason every year since Jeter joined the team, with the exceptions of 2008 and 2013.
1906 Chicago Cubs and 2001 Seattle Mariners each won 116 games in the regular season.
The 1998 New York Yankees won 114 games during the regular season, and 11 games in the post season for a total of 125 wins.