5. 2011-12 Charlotte Bobcats
> League: NBA
> Record: 7-59
> Point differential: -13.9 points per game
Even a season that was abbreviated by a lockout could not spare the Charlotte Bobcats from recording the NBA’s worst winning percentage ever. They closed out the campaign with a 23-game losing streak.
4. 1992-93 Dallas Mavericks
> League: NBA
> Record: 11-71
> Point differential: -15.2 points per game
Long before Dirk Nowitzki would lead the Mavericks to an NBA championship, the Dallas club suffered through an 11-win season in which the team gave up more than 100 points in all but six games. The Mavericks lost 19 games in a row at one point.
3. 1916 Philadelphia Athletics
> League: MLB
> Record: 36-117-1
> Run differential: -2.1 runs per game
The A’s were in the midst of a stretch in which the once-dominant Philadelphia club would finish last for seven straight seasons. Three pitchers — Elmer Myers, Bullet Joe Bush, and Jack Nabors — all lost at least 20 games. The team slugged just 19 home runs and scored only 447 runs. Its winning percentage of .235 was the lowest in franchise history.
2. 1974-75 Washington Capitals
> League: NHL
> Record: 8-67-5
> Goal differential: -3.3 goals per game
The expansion NHL team managed to score just 181 goals in 80 games, while Capitals goaltenders posted a goals against average of 5.54. Goaltender Michel Belhumeur was winless in 24 games.
1. 1976 Tampa Bay Buccaneers
> League: NFL
> Record: 0-14
> Point differential: -20.5 points per game
The Tampa Buccaneers went winless in their first season in the NFL, and lost by an average of almost three touchdowns a game. The Bucs were shut out five times in their maiden season