In UFC Undisputed 2009 is Judo or BJJ better for defence

Judo is great in the clinch but worthless on the ground, BJJ is great on the ground, but worthless in the clinch. Neither style is better than the other on defense, it depends on how you fight. Judo is good to keep you off the ground, or at least off of your back. BJJ is good because if you get put on your back you can submit or reverse with ease.