As far as history is concerned, at the start of the 2007 season the Arizona Cardinals was the NFL franchise with the most losses in history with 664. Second most was the Detroit Lions with 554 and third most was the Philadelphia Eagles with 533.
As of August 30, 2007 the team with the most franchise losses is the Philadelphia Phillies who have a franchise record of 8835-10017. Second most losses is the Atlanta Braves whose franchise record is 9681-9704.
Man U
Manchester United
The most losses in a season for the Blue Jays was 109 in 1979.
IPL
dallas cowboys
It depends on what you mean by lucrative. The most valuable sports franchise is Manchester United. (Around 1.7B)
The Dallas Cowboys, a professional football team in the NFL, is considered the most expensive American sports franchise. As of the latest estimates, the team is valued at over $6 billion.
Bill Hutchison.Hutchison played for the franchise between 1889-1895 when they were known as the White Stockings and Colts. His career record with the franchise was 181-158.
Steelers in NFL
New York Yankees of major league baseball
As of the 2007 NFL Season the Dallas Cowboys are the world's richest sports franchise with $1.5 Billion.