The Detroit Demolition are a women's professional American football team in the National Women's Football Association. Not only has the team won the league championship every year since they joined the league in 2002 as the Detroit Danger, they have never lost a regular-season or playoff game, with an all-time record (through the 2005 regular season) of 41-0. United States simply as football, is a competitive team sport that is both fast-paced and strategic. ... The National Womens Football Association (NWFA) is an American football league for women. ... A playoff in sports (North American professional sports in particular) is a game or series of games played after the regular season is over with the goal of determining a league champion. ...
External link:
NWFA official website
Actually the Detroit Demolition (Detroit Danger) has lost one game. It was to the Cleveland team in 2002. The score was 14-3.
My source would be me. I've played for the Demolition since the first day.