As of the end of the 2010 season, the Detroit Lions all-time win loss record is 496-593-32 with a .456 winning percentage.
a winning season is when a team has more wins than losses. For example a team with a 9-7 (or better) record has had a winning season.
The Cowboys had a winning regular season record for 20 seasons between 1966-1985.
Through the 2008 season, the best regular season winning percentage belongs to the Miami Dolphins who have an all time record of 380-272-4 for a winning percentage of .582. The Dallas Cowboys are second at .5772 (423-309-6) and the Chicago Bears are third at .5767 (686-498-42). For these winning percentages, a tie counts as half a win and half a loss.
As of the 2008 season: Regular Season: 366-349-9 Playoffs: 21-13
According to the Pro Football Hall of Fame, as of the start of the 2007 season the team with the best all time regular season winning percentage was the Miami Dolphins whose all time regular season record was 368-252-4 for a winning percentage of .593. Second was the Chicago Bears with an all time regular season record of 670-482-42 for a winning percentage of .579.
As of the start of the 2009 season, the Padres' all time regular season record is 2933-3421 for a .462 winning percentage.
Arizona Cardinals
No ... the Broncos went 12-4 in the regular season before winning Super Bowl XXXII and 14-2 in the regular season before winning Super Bowl XXXIII.
As of the end of the 2010 season, the Detroit Lions all-time win loss record is 496-593-32 with a .456 winning percentage.
14-2 in the regular season, 3-0 in the playoffs, winning Superbowl XXXVIII.
Through the 2007 season, the American League team with the most wins in a regular season was the 2001 Seattle Mariners with 116. The American League team with the best winning percentage in a regular season is the 1954 Cleveland Indians who went 111-43 for a winning percentage of .721. Seattle's record in 2001 was 116-46 for a winning percentage of .716.
Peyton mannings record his first four years as a starter - 42 and 22 and I'll check again but he didn't make it to the champiopship game oh, yeah, he only had 2 winning seasons
Their regular season record in 2007 was 10-6
According to Basketball Reference, the Lakers all time regular season record through the 2007-08 season is 2905-1824 for a winning percentage of .614.
1992-93 Pittsburgh Penguins
The Colts 2005 regular season record was 14-2. They won the first 13 games of that season before losing to the Chargers in Week 14.