Brock Lesnar burst onto the scene. He was the most feared man in the UFC, he was the future of pay-per-view and everyone in the world was waiting to see what would happen next. Then, he lost, got injured and faded away.
There comes a time every year where we find ourselves wondering, "What the heck happened to so-and-so?"
Were they outmatched in their fights? Did they get banged up? Or like Joe Pesci in Goodfellas, was it just their time to go?
It seems like all fighters fall victim to at least one of three things at the end of their career: time, injuries or a string of bad luck. Regardless of which one of the three it is, it's inevitable that every year we unofficially have to say goodbye to fighters who run the risk of no longer being relevant in a division. Sure, we'll catch them on an undercard again and maybe even the first fight of a UFC PPV, but their days of headlining are over.
Here are the top seven fighters that could fade away in 2013.