London 2012
Their worst record was in 1991 when they went 1-15. -sportsmedia101.com
Worst performance current season :San Francisco 49'ers, Buffalo Bills (0-5 to start 2010)*Worst record preceding season : St. Louis Rams (1-15 in 2009)Worst record last two seasons : Detroit Lions (2-30 in 2008 and 2009, 28-64 since 2003Worst overall record for team : Houston Texans (49-79 through 2009)-----*2010 preliminary rankings had the Buffalo Bills, Cleveland Browns, and Oakland Raiders as the likely worst teams for the season.
The Arizona Diamondbacks had the worst record in baseball in 2004: 51-111 (.315) In the American League, the Kansas City Royals had the worst record: 58-104 (.358)
They all suck, but the worst of the worst are the Eastern European countries such as Ukraine, Romania, Bulgaria, Hungary, Slovakia and so on.
The worst NBA record belongs to the 1972-73 Philadelphia 76ers who posted a record of 9-73
Tom Brady's worst record as a starting quarterback was in the 2002 season when he led the Patriots to a 9-7 record.
The worst record in MLS history came in 2001 with the Tampa Bay Mutiny achieving a record of 4-21-2 (14 points).
The Cleveland Browns had the worst record in the 1999 NFL season with a record of 2-14. The New Orleans Saints had the second worse record, finishing the season at 3-13.
0-16
For the US; Vietnam.
Clevland Cavaliers
the panthers