Welcome to MMAFrenzy.com’s live coverage of UFC 106: Ortiz vs. Griffin 2, which takes place today at the Mandalay Bay Events Center in Las Vegas. Tito Ortiz returns to the Octagon for the first time in 18-months to rematch fellow former light heavyweight champion Forrest Griffin in the UFC 106 main event, while welterweight contenders Josh Koscheck and Anthony Johnson square off in the event’s co-headliner.

MMAFrenzy.com’s live coverage of UFC 106 gets underway at 7:30pm ET with preliminary card results, followed by results and updates for the Spike TV preliminary card at 9pm and pay-per-view main card at 10pm ET.

FightTrends.com, part of the MMAFrenzy.com Network, has teamed up with Nogi to offer our readers a chance to win one of five Nogi prize packs that include a pair of Nogi Volt Fight Shorts, a Nogi Fade T-Shirt and a Nogi Classic Reversible Beanie. Find out how to enter the giveaway after the jump…

A welterweight championship bout between title-holder Georges St-Pierre and challenger Dan Hardy may headline UFC 110 on February 21 in Sydney, Australia, UFC President Dana White revealed on Friday.

Wanderlei Silva had been expected to make his middleweight debut against Yoshihiro Akiyama in the UFC 110 headliner, but White indicated on Friday that the promotion was “moving things around” and that the bout may not take place on the card.

Check out a photo gallery from Friday’s Strikeforce Challengers 5 event, including Tyron Woodley’s main event win over Rudy Bears and Kerry Vera’s TKO of Kim Couture, after the jump…

Tyron Woodley submitted Rudy Bears in the first round of their matchup on Friday with arm triangle to maintain his undefeated record in the main event of Strikeforce Challengers 5, which took place at Memorial Hall in Kansas City, Kansas.

Also on the Showtime televised main card, Strikeforce newcomer Kerry Vera earned a first round TKO victory over Kim Couture, Bobby Voekler weathered an early storm to defeat Erik Apple with a second round TKO, Rafael “Feijao” Cavalcante bounced back from his previous loss, defeating Aaron Rosa via second round TKO, and Kevin Casey submitted Chad Vance in the opening round.

Headliners Tito Ortiz and Forrest Griffin successfully made weight at Friday’s UFC 106 weigh-ins, as did the rest of the fighters who are set to compete at tomorrow’s event, which takes place at the Mandalay Bay Events Center in Las Vegas.

Welterweight veterans Matt Serra and Frank Trigg will square off at UFC 109 on February 6 in Las Vegas, as The Fight Network today confirmed the long-rumored bout with Serra.

The former welterweight champ Serra is coming off back-to-back losses to Georges St-Pierre and Matt Hughes, while Trigg had won four-straight before losing to Josh Koscheck in September in his return to the Octagon.

The Nevada State Athletic Commission has issued medical suspensions to 7 of the 20 fighters who were in action at Wednesday’s WEC 44 event, which took place at The Pearl at The Palms in Las Vegas.

Headliner Mike Brown, the former WEC featherweight champ who suffered a second-round knockout to Jose Aldo in the WEC 44 main event, was suspended until January 3 due to facial lacerations, while Diego Nunes, Cub Swanson, and Antonio Banuelos could be out of action until May after suffering fractures in their fights.

Main card winners Manny Gamburyan and Jose Aldo topped the $236,500 payroll for Wednesday’s WEC 44 event, which took place at The Pearl at The Palms in Las Vegas and aired live on Versus.

Gamburyan earned $36,000 for his decision win over fellow featherweight contender Leonard Garcia in the WEC 44 co-main event, while Aldo scored $26,000 (and the featherweight title) for his second-round knockout of champ Mike Brown in the event’s headliner.

Strikeforce announced on Thursday that 145-pound women’s champion Cristiane “Cyborg” Santos and newcomer Herschel Walker will both compete at a January 30 Showtime-televised event at the BankAtlantic Center in Sunrise, Florida.