Vitor Belfort once held the UFC Light Heavyweight Championship by defeating Randy Couture. Here's how it all went down.

At PRIDE Fighting Championships penultimate event, Mauricio 'Shogun' Rua collided with Alistair Overeem for the second time in their careers. And for the second time, the Brazilian walked away with a knockout victory.

Jay Hieron hasn't been in the UFC since 2005 but he's kept plenty busy. Here's a look back at his knockout victory over Jason High at Affliction: Day of Reckoning.

After losing her title, Sarah Kaufman rattled off three wins -- two in Strikeforce -- to earn a second crack at the belt. Here's a look at her most recent win, a tough fought decision over Alexis Davis.

After Frankie Edgar defeated B.J. Penn twice and knocked out Gray Maynard, it was assumed no one at 155-pounds could defeat him. Ben Henderson had something to say about that at UFC 144.

At UFC 102, Ed Herman clutched his knee and fell to the Octagon canvas. He didn't know if he would ever fight again. Three wins later, he's one of the greatest comeback stories in UFC history.

Brandon Vera exploded onto the UFC scene in 2005 and 2006 with four stoppage victories. Can he regain his past form and finally earn a title shot?

Both fighters had perfect 13-0 records going into their UFC 94 bout. With the winner likely getting a title shot, Lyoto Machida made sure his flawless record stayed intact against Thiago Silva.

After a four year absence, the light heavyweights returned to The Ultimate Fighter. The eighth season saw the emergence of Ryan Bader as a 205-pound threat.

Ahead of his intermin bantamweight title match tonight at UFC 149, we'll take a look at Urijah Faber's 135-pound debut, an impressive bout which ended with one man unconscious.