Rumors that Chuck Liddell could headline UFC 103 on September 19th in Dallas, possibly against former middleweight champ and current light heavyweight contender Rich Franklin, appear to have been nothing more than speculation, as the former light heavyweight title-holder tells SI.com that he’s yet to make a decision on retirement and will be sitting out until after April 2010 should he opt to return to the Octagon.

Middleweights Dan Miller and Aaron Simpson are likely to fight at UFC Fight Night 19 on September 16 in Oklahoma City, according to Simpson, who recently announced the matchup on Facebook (but later said nothing was official yet).

UFC Fight Night 19 is also set to feature Gray Maynard vs. Roger Huerta, with tickets for the Spike-televised event set to go on sale on July 9.

Luiz Cane says he’d like to fight fellow light heavyweight contender Rich Franklin, heavyweight prospect Bobby Lashley will next fight in September, and Diego Sanchez will get the next lightweight title shot against the BJ Penn-Kenny Florian.

Also, the MMAFrenzy.com rumors section has been completely updated.

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The UFC and Maxim will announce the newest Octagon Girl at the UFC Fan Expo in Las Vegas on July 11th, just hours before UFC 100 takes place in Sin City.Here’s details on the contest:

During the two-day Fan Expo, the Octagon Girl Search will culminate with a live voting phase at the Mandalay Bay Convention Center. The event will feature UFC fighters and Maxim editors selecting the winner in a runway-style pageant during the UFC Fan Expo. The winning model will receive a UFC Octagon Girl contract.

The UFC has officially announced UFC Fight Night 19, a long-rumored Spike-televised event which will take place on September 16 at the Cox Convention Center in Oklahoma City.

Roger Huerta’s contract-fulfilling bout against fellow-lightweight Gray Maynard is currently the only rumored fight for the card. The debut episode of The Ultimate Fighter 10: Heavyweights, featuring Kimbo Slice, will premiere immediately following UFN 19.

Nick Diaz and Joe Riggs are likely to square off in a welterweight bout on the Showtime-televised main card at Strikeforce: Carano vs. Cyborg on August 15 in San Jose.

Though not yet signed, the bout is reportedly in the works for the event and both fighters are expected to agree to the rematch of their early-2006 meeting at UFC 57 which was won by Riggs via unanimous decision.

Four grappling superfights will be featured at the UFC Fan Expo on July 10 and 11 as Rumina Sato, Fredson Paixao, Joe Stevenson, Vinicius Magalhaes, Jeff Glover, Ulysses Gomez, and Bill Cooper are all set to be in action.

The UFC has also announced that is will be officially revealing the cast for The Ultimate Fighter 10: Heavyweights at the Fan Expo on Friday July 10.

Heavyweight contenders Shane Carwin and Cain Velasquez are now expected to square off at UFC 104 on October 24 in Los Angeles. “Looks like I’ll be fighting October 24 in LA,” wrote Carwin on Twitter. “Excited to know.”

The pair of up-and-coming heavyweights were originally rumored to co-headline UFC 103 on September 26 in Dallas alongside Mike Swick vs. Matt Hughes, but neither bout materialized for the card with Carwin-Velasquez now pushed back to UFC 104 and Swick booked to fight Martin Kampmann at the September event.

Former light heavyweight champions Quinton “Rampage” Jackson and Rashad Evans, rivals who are appearing as opposing coaches on upcoming tenth season of The Ultimate Fighter, will headline UFC 107 in December in Jackson’s hometown of Memphis, Tennessee.

Details on the bout were first confirmed by Jackson in a recent YouTube video and the UFC’s Marc Ratner tells MMAjunkie that the pay-per-view event will take place on December 12 or 19 at the 19,000-seat FedEx Forum in Memphis.

The UFC’s traditional year-end event, UFC 108, is now expected to take place on January 2 in Las Vegas, according to the UFC’s Marc Ratner, who confirmed the likely date on Wednesday with MMAjunkie.

A venue has not yet been set for the pay-per-view event and no bouts are even rumored for the card, which is typically the promotion’s most-stacked of the year.

Hawaii and Indiana have both begun to regulate mixed martial arts this week, boosting the number of states which officially sanction the sport to 39.

A UFC event in Indianapolis, Indiana appears most-likely with the new regulation now in place, with an event in Hawaii, the home state of UFC lightweight champ BJ Penn, likely on hold for the time being due to steep taxes and fees that accompany the state’s regulation.

The fight card for UFC 102: Couture vs. Nogueira, which is set to take place on August 29th at the Rose Garden in Portland, Oregon, has been finalized.

Joining a heavyweight headliner between Randy Coture and Antonio Rodrigo Nogueira on the pay-per-view main card are Keith Jardine vs. Thiago Silva, Chris Leben vs. Jake Rosholt, Demian Maia vs. Nate Marquardt, and Matt Hamill vs. Brandon Vera.