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.

The UFC has officially confirmed the full fight card for UFC 106 which will take place on November 21. The event is headlined by Tito Ortiz vs. Forrest Griffin, and co-headlined by Josh Koscheck vs. Anthony Johnson.

Former WEC welterweight contender Brock Larson will look to bounce back from a recent upset loss when he returns to action against Brian Foster in a late addition to UFC 106 on November 21 in Las Vegas.

Nate Quarry’s $60,000 payday for his main card win over Tim Credeur at UFC Fight Night 19 on Wednesday in Oklahoma City topped the event’s $476,000 payroll, according to official fighter salary figures released on Monday by the Oklahoma State Athletic Commission.

Nate Diaz and Carlos Condit were also among the card’s top earners, pocketing $48,000 apiece for their main card victories.

Following an early knockdown at the hands of Melvin Guillard in the UFC Fight Night 19 headliner, Nate Diaz took advantage of his first opportunity on the ground, forcing Guillard to tap to a guillotine choke in the second-round of the main event.

The finish capped off the Spike TV-televised card, which took place at the Cox Convention Center in Oklahoma City, Oklahoma.

Tomorrow night Oklahoma City is UFC Ultimate Fight Night 19, headlined by Nate Diaz vs. Melvin Guillard. There are certainly some interesting match ups, and a few that on paper seem a bit one sided. I decided I would go on the record with my official predictions for the event, and so have some of the other staff here at MMAFrenzy.

Despite a hard weight cut, UFC Fight Night 19 headliner Nate Diaz successfully made weight at Tuesday’s official weigh-ins for the event, weighing in exactly at the 156-pound non-title lightweight limit, while his main event opponent, Melvin Guillard, tipped the scale one pound lighter at 155. The rest of the 11-bout card also successfully made weight on their first attempt.

A welterweight bout between former WEC fighters Brock Larson and Mike Pierce is in the works for UFC Fight Night 19.

Larson (26-2) has won five-straight, including UFC wins over Jesse Sanders and Mike Pyle. Pierce (9-1), also a winner of his last five bouts, won his WEC debut in April and most-recently defeated TUF 7 cast member Paul Bradley.

All 10 fighters tested by the Nevada State Athletic Commission for performance enhancing drugs and drugs of abuse at UFC 98, including headliners Lyoto Machida and Rashad Evans, have tested clean. NSAC Executive Director Keith Kizer confirmed the negative tests to MMAFrenzy.com on Monday afternoon.

The Nevada State Athletic Commission has issued medical suspensions to nine fighters who fought at UFC 98 on May 23 in Las Vegas. Main event loser Rashad Evans, who suffered a second-round knockout to Lyoto Machida, is suspended until July 23rd for precautionary reasons.

Headliners Rashad Evans and Lyoto Machida and co-main event fighters Matt Hughes and Matt Serra were the top earners at UFC 98 on Saturday in Las Vegas. Evans, the former UFC light heavyweight champion who was defeated via second-round knockout by Machida, earned $200,000 for the bout. Machida received $140,000 for his main event victory.

Matt Hughes, Matt Serra, Lyoto Machida, and Brock Larson are each $60,000 richer after earning "Fight Night" bonuses for their performances on Saturday at UFC 98.

Lyoto Machida became the new UFC light heavyweight champion on Saturday in Las Vegas, taking out title-holder Rashad Evans with a flurry of punches in the second round of their UFC 98 headliner to capture the 205-pound belt. Matt Hughes, Drew McFedries, Chael Sonnen, and Frankie Edgar also picked up main card victories.

All 22 fighters, including UFC light heavyweight champion Rashad Evans and challenger Lyoto Machida, rivals Matt Hughes and Matt Serra, and late-replacement Mike Pyle, successfully made weight on Friday in Las Vegas for UFC 98. The event's official weigh-in results are available after the jump...

Veteran Mike Pyle will replace fellow-welterweight Chris Wilson and take on Brock Larson on the UFC 98 preliminary card tomorrow night at UFC 98 in Las Vegas. The replacement was confirmed by the UFC on Friday afternoon just hours before the official weigh-ins for the event.