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Aaron Jeffery steps in to face No. 2-ranked Austin Vanderford on short notice at Bellator 284

Full fight card announced for next Friday's event in South Dakota.

LOS ANGELES — The full event lineup for "Bellator 284: Gracie vs. Yamauchi," which is scheduled to take place on Friday, August 12 from the Sanford Pentagon in Sioux Falls, South Dakota, has been rounded out with a total of five exhilarating main card matchups and ten preliminary bouts. 

The main card, which airs live on Showtime at 9 p.m. ET is headlined by a five-round welterweight main event between Neiman Gracie (11-3) and fellow submission ace Goiti Yamauchi (27-5). Top heavyweights clash in the co-main event when former interim champion and current No. 1 ranked-Valentin Moldavsky (11-2) faces off with undefeated No. 5-ranked contender Steve Mowry (10-0), and former flyweight champion and No. 4-ranked Ilima-Lei Macfarlane (11-2) takes on Brazil's Bruna Ellen (6-3) in a feature bout. The return of No. 2-ranked middleweight Austin Vanderford against late-notice replacement Aaron Jeffery (12-3) and a battle between top-10 ranked heavyweights Said Sowma (8-3) and Gokhan Saricam (7-1) complete the main card portion of the event.

Canada's Jeffery, 29, wowed Bellator fans with a second-round TKO of Brazil's Fabio Aguiar (18-3) in his promotional debut at June's Bellator 282. Jeffery steps in to face Vanderford on short notice after the withdrawal of originally-scheduled foe No. 9-ranked Anthony Adams (9-2). Jeffery, a former CFFC middleweight champion, has won six of his last seven fights and will leap at a massive opportunity against Vanderford, the division's No. 2-ranked contender and a recent title challenger.

In other updates to the event, a featherweight bout between Fresno State wrestling alumnus Isaiah Hokit (1-1) and nine-fight amateur Nick Perez (0-0) has been changed to a lightweight bout. Additionally, M, A, Yah II (4-0) steps in to face South Dakota State wrestler amateur Brett Bye (1-0) in a 175-pound contract weight amateur fight. A middleweight bout between Jordan Newman (4-0) and Lance Wright (5-2) has been canceled. 

The preliminary portion of the card kicks off at 6 p.m. ET and features a bevy of compelling fights. No. 9-ranked bantamweight Josh Hill (21-4) seeks to repel Brazilian finisher Marcos Breno (14-2) in his first fight since withdrawing from the Bellator bantamweight world grand prix, wrestling star Patrick Downey III (0-0) makes his MMA debut, plus additional undefeated prospects Sullivan Cauley (3-0) and Bailey Schoenfelder (2-0) are both set for action on the talent-stacked preliminary show.

"Bellator 284: Gracie vs. Yamauchi" will be broadcast on Showtime at 9 p.m. ET on Friday, August 12, live from the Sanford Pentagon in Sioux Falls, South Dakota. The preliminary portion of the card will air free-to-watch beginning at 6 p.m. ET on the Bellator MMA YouTube channel, the Showtime Sports YouTube channel, and Pluto TV.

Tickets for the event are on sale now and can be purchased at, Sanford Pentagon Box Office and Ticketmaster.

The latest Bellator 284 lineup includes:

MAIN CARD (9 p.m. ET, Showtime)

  • Neiman Gracie vs. Goiti Yamauchi
  • Valentin Moldavsky vs. Steve Mowry 
  • Ilima-Lei MacFarlane vs. Bruna Ellen
  • Said Sowma vs. Gokhan Saricam
  • Austin Vanderford vs. Aaron Jeffery


  • Josh Hill vs. Marcos Breno
  • DeAnna Bennett vs. Justine Kish
  • Sullivan Cauley vs. Tyson Jeffries
  • Patrick Downey III vs. Jeff Souder
  • Isaiah Hokit vs. Nick Perez
  • Bailey Schoenfelder vs. Mark Currier
  • Mitchell McKee vs. Tony Ortega
  • Brett Bye vs. M, A, Yah II