UFC

UFC champ Amanda Nunes is GUARANTEEING VICTORY over Ronda Rousey -- telling TMZ Sports there's a "200% chance" she wins the fight.

We just spoke with the reigning bantamweight queen who says she's extremely grateful to Ronda for taking the fight -- but wants her to know ... she's about to get destroyed.

"This is the moment I've been waiting for," Nunes said.

"I've been training for Ronda Rousey since my first fight in UFC."

Nunes says she knows every single thing that Rousey will throw at her when they face off at UFC 207 on Dec. 30th ... and when it comes to judo, Amanda says she's the superior talent.

Las Vegas NEEDS Conor McGregor ... Conor McGregor does NOT NEED Las Vegas ... so says Dana White.

UFC rising star Sage Northcutt doesn't seem fazed by Mickey Gall's violent smack talk -- laughing off his bone-breaking threats as pure comedy ... while training with UFC champ Tyron Woodley.

As we previously reported, Gall threatened to "hurt [Sage] bad" when they face off at UFC on FOX 22 in December .. adding, "I'm gonna break his bones."

Since Tyron and Sage are friends, we hit up the champ to find out how Northcutt's preparing for the fight -- when Super Sage made a surprise appearance and reacted to Gall's comments personally.

Check out the clip ... it's clear Tyron thinks Mickey may have bitten off a little more than he can chew.

UFC heavyweight champ Stipe Miocic has a warning for Greg Hardy -- MMA is tougher than you think ... "it's not just something you pick up off the street."

With the ex-NFL star announcing he's pursuing a career as a heavyweight MMA fighter, we went right to the top guy to get his take.

Long story short ... Miocic says he'd beat Hardy down if they ever faced off in the Octagon -- but says he's not counting Hardy out as a fighter.

"Stranger things have happened," Stipe said when asked if he thinks Hardy could be a contender.

Conor McGregor was just hit with a $150k FINE and 50 hours of community service for firing water bottles at Nate Diaz during the UFC 202 press conference.

UFC honcho Dana White joined "TMZ Sports" the day after all hell broke loose at the presser and said "they're both getting punished."

Today was the day ... 'cause the Nevada State Athletic Commission met this morning in Las Vegas to determine what punishment McGregor would face.

The outcome? Conor has to pay a $150,000 fine (5% of his UFC 202 purse) ... and do 50 hours of community service. He also agreed to participate in an anti-bullying PSA.

Nate Diaz -- who also faces punishment -- had his hearing postponed.

Stay tuned ...

Demi Lovato ain't just getting a cardio workout during her MMA training, she can REALLY SCRAP -- and has inquired about taking a real fight ... so says Jay Glazer.

UFC star Mickey Gall says he's gonna destroy Sage Northcutt WORSE THAN CM PUNK -- vowing to break the guy's bones and hurt him real bad.

Gall and Northcutt are fighting at UFC Fight Night on Dec. 17th -- and the smack talk is already in full swing.

Gall says he actually likes Sage -- but says he's corny, a "silly boy" and "kind of a dork."

The clip is great -- Gall is a huge star in the making -- and he also reflects on his famous beatdown of CM Punk and whether he should get another shot in the UFC.

He was a helluva boxer ... but as a UFC fighter Rocky Balboa "would have been a water boy" -- so says Sylvester Stallone.

Now that Sly's a part owner of the UFC -- we were asking him all about the sport Wednesday night as he was leaving Catch in West Hollywood ... and he revealed the best perks of UFC ownership.

But as far as Rocky in the UFC goes -- we think he's underestimating the guy ... remember, HE CHOKED OUT THUNDERLIPS IN "ROCKY III."

Not all UFC fighters hate Conor McGregor -- despite what Cowboy Cerrone said this week -- but there ARE a bunch of guys jealous of Conor's huge paychecks ... so says Dominick Cruz.

Cerrone told SI Now that "all" of the UFC fighters hate McGregor -- "He's not one of the fellas. He's not a good dude."

So, we reached to Cruz -- who knows just about everyone in the UFC -- and asked for his take.

"I think what they're upset at is the fact of how much money he's made, how quickly and on his own," Cruz said.

"But that doesn't make ME hate him. That makes me try to understand the situation and make a better situation for myself."

"And to me, hating somebody, being bitter at them for making more money than me, that's only going to hold me back from doing what I want to do personally."

Smart dude -- watch the clip.

Don't expect Dan Henderson and Conor McGregor to catch a beer together any time soon.

The UFC legend joined the guys on the "TMZ Sports" TV show (airs Thursday night on FS1) -- and told us why McGregor just rubs him the wrong way.

Don't get it twisted, Hendo says he respects McGregor as a fighter -- but his personality ... let's just say the two don't click.

Michael Bisping is channeling his inner-Nostradamus -- and predicting the exact round he plans to end Dan Henderson's career at UFC 204 this weekend.

TMZ Sports spoke with the reigning UFC middleweight champ -- who says he respects Hendo ... but wants to make him pay BADLY for their fight at UFC 100 when Dan KO'd him in the 2nd round.

Bisping says Henderson had an unfair advantage in that fight -- even though Hendo's testosterone replacement therapy was approved by the athletic commission back then (it has since been banned).

Watch the clip ... Bisping means business.

8:59 AM PT -- The Broward County Coroner has now confirmed Samman passed away at 7:20 AM on Wednesday.

As for cause of death, the coroner told us, "It would be hard to suggest anything other than drugs" based on the conditions in which Samman and Kirkingburg were found.

An autopsy is scheduled -- but there could be delays due to the hurricane in the region.

UFC middleweight Josh Samman -- who appeared on "The Ultimate Fighter" -- has died after spending several days in a coma ... this according to his 'Ultimate Fighter' castmate Gilbert Jamal Smith.

Samman was found unresponsive early Friday morning at an apartment in South Florida. His roommate, Troy Kirkingburg -- an MMA announcer -- was pronounced dead at the scene.

It's unclear how the two men died.

There were rumblings that heroin played a role -- but Samman's mother came out and said doctors found no traces of the drug in his system. There were also no signs of foul play according to reports.

Samman was 28.

Well, this is gross ...

Luke Rockhold's body is covered in some weird red, blotchy rash ... and he tried to rub it all over Daniel Cormier.

The UFC superstar SWEARS he got the skin condition thanks to "wet cupping" therapy -- where suction cups are placed on parts of the body and then lanced with a special needle.

It's essentially a controlled bloodletting that leaves nasty skin marks. It allegedly helps to relieve pain.

Even though it looks like some sort of infectious disease, Rockhold insists it's not contagious (it's not) -- though that didn't stop him from freaking out D.C. in the gym Monday.

UFC honcho Dana White does NOT think there's a shot in hell Conor McGregor will fight Floyd Mayweather -- saying they're more interested in the money than actually trading blows.

White was out in L.A. the other day when we asked for updates -- since both Conor and Floyd had resurrected talk about a possible superfight between the boxer and the MMA stud.

But it's clear Dana doesn't think it's gonna happen and he explains why.

However, if Floyd does want to make a deal -- Dana lays out the ground rules and says it will NOT be a pure boxing match ... but rather an MMA-style fight.

Slim chance is better than no chance.

With a TON of huge celebs becoming partial owners of the UFC -- from Sly Stallone to Ben Affleck -- Dana White says he welcomes their input ... especially if Tom Brady wants to weigh in!

Here we go again ...

Conor McGregor sounds like he's still VERY serious about squaring off with Floyd Mayweather -- telling TMZ Sports, "I told you I'm ready for that fight!"