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A rare champion vs. champion fight headlines Saturday's UFC 284 when featherweight titleholder Alexander Volkanovski moves up to challenge lightweight kingpin Islam Makhachev. The action goes down from Volkanovski's home country of Australia, but he remains a considerable underdog in betting odds.

Volkanovski could join the short list of fighters who have managed to become two-division champions simultaneously. That list includes Conor McGregor, Amanda Nunes, Daniel Cormier and Henry Cejudo. Each of those champions were also successful in moving up in weight to capture the second title as Volkanovski will attempt to do.

In the co-main event, Yair Rodriguez and Josh Emmett will battle to crown an interim featherweight championship. The winner will be waiting to challenge Volkanovski if and when he returns to the 145-pound division.

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Elsewhere on the card, local hero Jack Della Maddalena looks to continue his ascent up the welterweight ladder when he takes on veteran Randy Brown. Plus, heavyweights Justin Tafa and Parker Porter are set to slug it out on the main card. And the PPV kicks off with a light heavyweight slugfest between Jimmy Crute and Alonzo Menifield.

Below is all the information you need to catch UFC 284 on Saturday night. 

How to watch UFC 284 prelims

Date: Feb. 11  | Location: RAC Arena -- Perth, Australia
Time: 6 p.m. ET for early prelims
Channel: ESPN | Stream: fuboTV (Try for free)

How to watch UFC 284 main card

Date: Feb. 11  | Location: RAC Arena -- Perth, Australia
Time: 10 p.m. ET
Stream: ESPN+ PPV | Price: $79.99

Now, here's a look at the UFC 283 main fight card and betting odds via Caesars Sportsbook.

UFC 284 main card, odds

FavoriteUnderdogWeightclass
Islam Makhachev (c) -400Alexander Volkanovski +310Lightweight title
Yair Rodriguez -190Josh Emmett +160Interim featherweight title
Jack Della Maddalena -330Randy Brown +260Welterweight
Justin Tafa -125Parker Porter +105Heavyweight
Jimmy Crute -175Alonzo Menifield +150Light heavyweight

Who wins UFC 284: Volkanovski vs. Makhachev? And how exactly does each fight end? Visit SportsLine now to get detailed picks on every fight at UFC 284, all from the incomparable expert who's up nearly $12,000 on MMA in the past four years, and find out.