The UFC-WEC merger came as a shock to most mixed martial arts fans, but this might be one of those pleasant surprises rather than the disappointing kind that sports fans often experience.

UFC president Dana White announced that World Extreme Cagefighting will merge with its sister organization, the Ultimate Fighting Championship, starting with UFC 125 on Jan. 1, 2011.

Zuffa, which owns both promotions, made one of the biggest decisions in MMA history by combining the two organizations under the UFC umbrella.

This is obviously huge for everyone involved, including fans who will get to see some better matchups inside the octagon.

But what are the most important things about the merger that MMA fans should be aware of?

Let's take a look at 10 things you need to know about the new look UFC.

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