"Appreciate everyone commenting on my fights . I didn't get the memo that they were being shown :) I think I'm at the end of it ! It's time to move on and focus on all the other amazing things going on in my life ! It's time . Thanks R" UFC legend and Hall of Famer Randy Couture takes to Facebook and says that he may be done with MMA. If this really is the end, what will you remember most about "The Natural?"