2009 has been the most successful year in the history of the UFC. However, it's tough not to notice the black cloud hanging over things lately. Brock Lesnar -Forced to pull out of UFC 106 due to illness. Lyoto Machida -Wins highly controversial decision over Mauricio Rua. Planned rematch on hold due to hand surgery. Anderson Silva -Planned title defense against Vitor Belfort on hold due to elbow surgery. Georges St-Pierre -Remains on the sidelines due to groin injury suffere...