In late 2010, the NFL Network showcased their list of the 100 greatest players in league history, with Jerry Rice edging out Jim Brown for the top honor.
While determining a ranking for the all-time legends of the game can be done by measuring each individual's breadth of excellence, figuring out the worst players ever is far from an exact science.
These are not just players who were lousy—they were notably bad.
Many are failures of what was thought to be immense talent. All of the 100 presented were incredibly inadequate on a professional football field.