UFC 84: Ill Will was officially announced today for May 24th in Las Vegas, Nevada and UFC Fight Club Members can already purchase tickets to the event. The matches will be headlined by BJ Penn as he defends his UFC lightweight championship against Sean Sherk, the ex-champion who was stripped of the aforementioned title due to a positive steroids test.

Other matches on the card include Tito Ortiz vs. "Lyoto" Machida and Wanderlei "Axe Murderer" Silva vs. Keith "The Dean of Mean" Jardine.

Tito Ortiz is on the last fight of his contract and has already vowed not to return to the UFC but he has a very tough opponent to dispatch in Machida before he exits.

Wanderlei Silva is rebounding off a loss to the "The Iceman" and looking for a win agains the TUF alumni Keith Jardine. Keith won his last bout in September of 2007 against the aforementioned Chuck Liddell and wants to validate his position as one of the top light heavyweights in the UFC.

Some of the othered rumored participants on the card are as follows:

Rashad Evans vs. Thiago Silva
Rameau Thierry Sokodjou vs. Kazuhiro Nakamura
Jeremy Stephens vs. Terry Etim
Rousimar Palhares vs. Ivan Salaverry
Goran Reljic vs. Wilson Gouveia
Dong-Hyun Kim vs. Jason Tan
John Koppenhaver vs. TBD