The cruelty of sports is that a single brain fart can define an entire career. But feel no pity for the idiots on this list: They deserve that permanent dunce cap welded to their pin heads.
*Note: Since we are all geniuses with the benefit of hindsight, this is a list of decisions that were clearly idiotic at the time they were made. No one knew, for instance, that Ryan Leaf would turn out to be a moody turd, except for everyone who knew Ryan Leaf personally.
See the slideshow HERE