The bantamweight title is on the line in the UFC 316 main event when champion Merab Dvalishvili (19-4 MMA, 12-2 UFC) takes on ex-champ Sean O'Malley (18-2 MMA, 10-2 UFC) in a rematch. 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.

Dominick Cruz breaks down the UFC 316 rematch between Merab Dvalishvili and Sean O'Malley, who meet for the belt he once held.

UFC 316 brought about a submission never seen in a UFC championship bout, an arm-wrenching bad time that also made some history and a striker who beat a long-armed sneaky grappler at his own game.