[LeFriedChicken]

Which is better? All I know is that the UFC is dominant in the west side of the world and ONE is dominant on the east. But what really separates the two MMA championships?

[Will195132]

UFC’s worldwide notoriety attracts the best mixed martial artists in the world, whereas ONE is fairly limited in its reach. Generally speaking, the UFC has the best of the best in its organization and should be considered the number 1 MMA promotion.

[clownfish6969]

One needs to have USADA then we can compare it