Each and every year, the sport of mixed martial arts has its fair share of up-and-coming fighters who establish themselves as legitimate contenders in their respected weight divisions.
However, in the same sentence, there are also many fighters who begin to lose the talent and skill sets they once dominated with.
In result, these fighters choose to walk away from the sport they once revolved their lives around.
Many of these fighters are individuals who were once considered to be in the upper echelon of the sport but have recently fallen from their stardom.
As we approach the new year it's certain we will witness more and more fighters look towards retirement.
So, the following slides display 10 fighters who will walk away from the sport of MMA in 2012.