Originally Posted by LesGrossman
Ask the retards at Yuke's/THQ. For some reason they gave you the option to do a career with roster fighters but didn't give you the ability to learn their signature moves. Anderson Silva has a clinch that goes straight to the Thai plum without transitioning and you can't learn that in career either.
When it comes to Career mode, roster guys and created guys just re-skins of each other, with the exception that roster fighters can't change their attire or sponsors.