Currently this DLC is available for free (instead of 800 Microsoft Points):
Urijah Faber Workout Pack
Only with UFC Personal Trainer: The Ultimate Fitness System can you challenge yourself to 5 new Workout Routines and 15 new Hit the Mitts drills. Personally designed and used by Urijah Faber, these workout routines and drills will help you get the Ultimate Workout for the Ultimate UFC Body. As a bonus, your UFC Personal Trainer workout can let you improve your UFC Undisputed 3 Create-A-Fighter’s skills, attributes and techniques! The Urijah Faber Workout Pack includes an “Undisputed Trainee” Achievement which earns you a free Create-A-Fighter stat boost to quickly get an edge on the competition.