http://www.MMAWeekly.com/ -- The mixed martial arts world was shocked when UFC president Dana White announced that the UFC 151: Jones vs. Henderson card was not only undergoing change, it was being cancelled altogether. The key reason cited by the UFC's brash boss was that when UFC light heavyweight champion Jon Jones' opponent, Dan Henderson, fell out due to injury, Jones declined to face Chael Sonnen as a replacement on one week's notice. Jones has since received the brunt of the criticism