"Learn from the mistakes of others. You can’t live long enough to make them all yourself."
That quote comes from Eleanor Roosevelt, and although I'm certain that she wasn't talking about mixed martial arts, her meaning still applies.
A fighter gains experience and becomes a better competitor by learning from his mistakes. It's the reason that you commonly hear Joe Rogan talk about the benefits of a young fighter being handled inside of the cage. However, if that same fighter can learn from the mistakes of his fellow cage-fighter, he can continue to grow and evolve without damaging his own legacy.
Here are six cautionary tales that current MMA fighters should be aware of. Learning from these lessons can make everyone a more successful competitor.