All 22 UFC 100 fighters, including Brock Lesnar, Frank Mir, Georges St-Pierre, Thiago Alves, Michael Bisping, and Dan Henderson, are set to hit the scales at 4pm PT/7pm ET today at the Mandalay Bay Events Center in Las Vegas to weigh-in for their bouts.

MMAFrenzy.com will be offering a live stream of today’s UFC 100 weigh-ins, which is available after the jump…

The final pre-fight press conference before UFC 100 is set to take place today at 1pm PT/4pm ET in Las Vegas. Brock Lesnar, Frank Mir, Georges St-Pierre, Thiago Alves, Michael Bisping, and Dan Henderson are among the fighters expected to appear at the press conference along with UFC President Dana White.

A video of the press conference, which will be be available shortly after it concludes, is available after the jump. MMAFrenzy.com will also pass along any notable news and comments later today.

UFC 100, the UFC’s blockbuster event which goes down this Saturday in Las Vegas, will air live in the UK as promised, though not on Virgin 1 as had been heavily speculated in recent weeks since the promotion’s original broadcast partner Setanta Sports entered administration late last month.

The UFC today announced that the event will air live and free in the UK on Sky channel 433 and will also be available for free on UK.UFC.com. UFC 100 will also air live in Northern Ireland and Eire on Setanta Ireland.

Those concerned that Thiago Alves could miss weight for his UFC 100 co-headliner against welterweight champ Georges St-Pierre will be relieved to learn that Alves’ weight cut for the bout is ahead of schedule.

“Usually I get here (at) 188, 189, and I’m amazed with myself. 183, I’m like whoa. Everybody from the UFC was like, wow, I can’t believe it,” Alves told MMA Weekly.

For those who missed its debut last night on Spike TV, the UFC has made the promotion’s official preview show for Saturday’s UFC 100 event, “Countdown to UFC 100″, available on UFC.com.

As always, MMAFrenzy.com will have live coverage of Saturday’s pay-per-view event beginning at 7pm ET, with our live main card results set to begin at 10pm.

PRESS RELEASE — Already in Las Vegas for her newly-premiered and well-received production at Planet Hollywood called “Peep Show”, Holly Madison expressed interest at a recent Ultimate Fighting Championship event that she wanted to take a spin around the Octagon for UFC 100 this Saturday night.

Holly Madison joins the lovely posse of Octagon Girls known to their UFC fans as Arianny Celeste, Edith Labelle and Logan Stanton. “It’s been a dream of mine since becoming a fan of the UFC and watching the incredible athleticism of the fighters, to do the honors of being an Octagon Girl for a night,” said Madison.

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.

For the latest MMA news check out MMAFrenzy.com’s Quick Hits…

Welterweights TJ Grant and Dong Hyun Kim, whose opponents for their scheduled bouts recently withdrew due to injuries, have now been booked to square off on the UFC 100 preliminary card on July 11 in Las Vegas.

A dislocated shoulder suffered in training has forced welterweight Jonathan Goulet to withdraw from his July 11th UFC 100 preliminary bout against Dong Hyun Kim. Goulet recently made the announcement on Facebook, writing that he's "very angry and sad" that he won't be a part of the historical event.

The most historic event in UFC just got bigger with the announcement that rap-metal pioneers Limp Bizkit are bringing their "Unicorns N' Rainbows" tour to Mandalay Bay Beach on Friday, July 10th to perform in their first North American concert in eight years as a part of the UFC 100 weekend.

Welterweight challenger Thiago Alves, who meets UFC welterweight champion Georges St-Pierre on July 11th at UFC 100, has predicted he'll shock the world with a knockout of GSP. "I'm not just going to win, I'm going to knock him out. I'm going to shock the world."

Adding to the anticipation and excitement of the UFC 100 event weekend, UFC today announced that it will host its first ever grappling tournament in conjunction with the prestigious Grapplers Quest organization on Friday and Saturday, July 10th and 11th, at the Mandalay Bay Convention Center as part of the UFC Fan Expo.