The bantamweight title will be on the line Saturday in the UFC 306 main event when Sean O’Malley (18-1 MMA, 10-1 UFC) puts the belt up for a second time when he takes on challenger Merab Dvalishvili (17-4 MMA, 10-2 UFC). Take a look at a chronological history of the UFC’s 135-pound title, which migrated over from the WEC in 2010 when the promotions merged.
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