The Ultimate Fighting Championship on Wednesday confirmed four additional bouts for its UFC 84 event scheduled for May 24 in Las Vegas, bringing the current fight card to 11 bouts.

The four confirmed bouts, already speculated by, are: Goran Reljic vs. Wilson Gouveia, Antonio Mendes vs. Thiago Silva, Rousimar Palhares vs. Ivan Salaverry, and Kazuhiro Nakamura vs. Rameau Thierry Sokoudjou.

The fight card is headlined by a lightweight title bout between current champion B.J. Penn and former champion Sean Sherk, but it is the UFC light heavyweight division that could receive the most dramatic changes from the night's outcomes.

There are five 205-pound divisional bouts on the card, and with the promotion making many changes to its current roster, it could be a case of win or be shown the door in many of those bouts.

B.J. Penn vs. Sean Sherk

Keith Jardine vs. Wanderlei Silva

Wilson Gouveia vs. Goran Reljic

Lyoto Machida vs. Tito Ortiz

Thiago Silva vs. Antonio Mendes

Rousimar Palhares vs. Ivan Salaverry

Rameau Thierry Sokoudjou vs. Kazuhiro Nakamura

Terry Etim vs. Rich Clementi

Yoshiyuki Yoshida vs. Jon Koppenhaver

Dong-hyun Kim vs. Jason Tan

Shane Carwin vs. Christian Wellisch

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