Sean O'Malley is set to enter the octagon in hopes of reclaiming his UFC Bantamweight title from Merab Dvalishvili. Here's what you need to know:

Gone is the old Sean O’Malley — the weed-smoking social-media maven — with the metaphorical starring role recast as one undistracted by his own public persona and focused more keenly on the two things most important to him now: family and reclaiming UFC glory.