The 1906 Cubs went 116-36, which is the "modern" record. In the 1880s, certain league that were considered "major leagues" only had 60-game schedules, so of course some of those teams lost fewer than 36, but consider this the "official" record.
There have been two teams with 1 loss in the MLB playoffs, 11-1 records, no team has had a perfect record in the MLB playoff era.
(2005) White Sox
(1999) Yankees
Click on the 'All Time Winning Percentages' link on this page to see a listing of teams and their franchise winning percentage as of the start of the 2007 season.
In the 2008-2009 season, Boston went on a 19-game winning streak, which is a franchise record, and fifth in NBA's all time winning streak records.
The Cowboys had a winning regular season record for 20 seasons between 1966-1985.
Through the 2008 season, the Tampa Bay Rays have the worst lifetime winning percentage of any MLB team with .417 (742-1037).
Dallas Cowboys (1966-1985).
cleveland indians
yankees
Yankees
Atlanta Falcons with a winning score of 6 - 0 Atlanta Falcons with a winning score of 6 - 0
the cubs have had 49 winning seasons since 1902 when they became the Chicago Cubs and the Chicago White Sox have had 53 winning seasons since 1902
The franchise's best winning percentage for a season is .623 and has been accomplished in three seasons. The 1886 Quakers had a record of 71-43 and both the 1976 and 1977 Phillies had a record of 101-61. The 1976 and 1977 teams are the only two teams in Phillies history to win 100+ games in the regular season.The franchise has had two other teams to finish with a winning percentage of .600 or better. The 1899 Phillies had a record of 94-58 for a winning percentage of .618 and the 1887 Quakers had a record of 75-48 for a winning percentage of .610.
As of the start of the 2008 season, the Philadelphia Philles have lost the most games in MLB history. Their franchise record is 8853-10028 for a winning percentage of .469. The team with the worst franchise winning percentage is the Tampa Bay Rays who have a record of 645-972 for a winning percentage of .399.
The Pittsburgh Steelers and the Arizona Cardinals played, with the Steelers winning their sixth super bowl title in franchise history.
Dallas Cowboys. 20 consecutive winning seasons.
Click on the 'All Time Winning Percentages' link on this page to see a listing of teams and their franchise winning percentage as of the start of the 2007 season.
Arizona State
The "game winning hit" statistic was an official statistic for a few seasons in the 1970s and 1980s, but is no longer an official stat. Therefore, there is no way to determine who had the most game winning hits.