Should Diaz defeat Penn in impressive fashion at UFC 137 , he 'll have an argument for earning the shot .
After what happened into the originally scheduled fight with St - Pierre , that may not be enough to bypass Condit 's shot .
Should Diaz defeat Penn in impressive fashion at UFC 137 , he 'll have an argument for earning the shot , but after what happened into the originally scheduled fight with St - Pierre , that may not be enough to bypass Condit 's shot .