The Vancover Grizzles lost 23 in a row in the 1996 NBA season.
The worst start in NBA history goes to the 2009 New Jersey Nets who started off 0-17.
The worst record in NBA history goes to the 1972-73 Philadelphia 76ers who finished 9-73.
In the 2010-2011 season, the new record goes to the Cleveland Cavaliers with 25 consecutive losses in a row. ( 8-40) The most consecutive losses in NBA history.
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Mel Stottlemyre has the most losses in Yankees history with 139.
the new york knickerbockers, with 13
The NHL team with the most losses in one season is the 1992-1993 San Jose Sharks, with a record of 11-71-2.
phillies
The most consecutive losses in Mets history is 24 in 1899 at the time the team was called the Spiders and was the begining of the expansion team
Kansas City/Sacramento Kings - 15 (1983-1997 seasons)
va tech
Mel Stottlemyre has the most losses in Yankees history with 139.
the new york knickerbockers, with 13
The most consecutive home losses suffered by a team in the Canadian Football League was 14. The now defunct Ottawa Rough Riders had this dubious honour. Their losing streak stretched from July 19, 1987, to October 22, 1988.
The Braves organization have over 9600 losses
Internazionale is the team in the Serie A that has the most number of consecutive wins.
The Boston Red Sox hold the record with 615 consecutive sellouts as of August 14, 2010.
Detroit just broke their own record by losing 25 consecutive road games. They set the record previously during the 2001-2003 seasons.
The NHL team with the most losses in one season is the 1992-1993 San Jose Sharks, with a record of 11-71-2.
The Boston Red Sox have sold out the most consecutive games in MLB history while the Portland Trailblazers have sold out the most consecutive home games in the NBA (and in North America for any sport).