Long before Dana White strapped the belt around Cain Velasquez's waist at UFC 121, or the ink dried on his knockout of the night bonus check, a scrap between Velasquez and top heavyweight contender Junior Dos Santos was in the offing.

And now that there's a belt involved, you've got a no-brainer on your hands.

Here are 10 reasons why that matchup should meet--or even exceed--the excitement generated by Velasquez and Brock Lesnar Saturday night.

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