UFC

The barrage of smack talk between UFC fighters Cody Garbrandt and Dominick Cruz continues ... with Cruz telling TMZ Sports the only thing emptier than Cody's threats are his head ... 'cause he's dumb.

These two are scheduled to meet up at UFC 207 December 30th ... and have been destroying each other in the media, with the most recent shot coming from Garbrandt about Cruz's new beard.

Well, Cruz checked in with the guys on the "TMZ Sports" TV show ... and UNLOADED on Cody ... saying his insults are coming from a very small place ... his brain.

Be sure to watch "TMZ Sports" weeknights on FS1.

Dana White just sent a violent warning to Floyd Mayweather -- Conor McGregor will "kick [your] head into another planet and then he'll murder every one of [your] security guards."

Dana White doesn't seem too confident Cyborg Justino will beat new doping allegations ... telling TMZ Sports he smelled something fishy recently when she turned down multiple fight offers.

We just ran into the UFC prez in NYC -- where he's promoting UFC 208 in Brooklyn -- and he told us he had just been informed that USADA had flagged Cyborg for a possible doping violation.

White says he had offered 3 fights to Cyborg recently and at the time, he couldn't understand why she didn't want to play ball.

"First fight she had 8 weeks to get ready. Second fight she had 11 weeks to get ready and the third fight she just turned down," White says.

"I thought it was just strange that she was turning down all these fights ... not so strange now."

Now this means war!!!

Amanda Nunes says Ronda Rousey UNFOLLOWED her on Instagram -- and made it so Amanda can't see what's going on her social media page ... which means she was BLOCKED!!!

Paige VanZant is no bitch -- and just because she got beat up this weekend doesn't mean she won't come back and dominate in 2017 ... so says her friend and training teammate, Urijah Faber.

VanZant got rocked by Michelle Waterson at UFC on FOX 22 this weekend -- and there's some talk that the "Dancing with The Stars" alum has been focusing too much on Hollywood ... and not enough on fighting.

But Faber says that's a bunch of crap ... saying he's blown away by how VanZant balances the UFC and other opportunities ... and says she's such a hard worker, there's no reason she can't keep it up.

Paige VanZant didn't hold a grudge after Michelle Waterson choked her out at UFC on FOX 22 this weekend -- and graciously congratulated her opponent backstage ... so says Michelle herself.

The Karate Hottie say she has the ultimate respect for Paige -- and thought it was classy when VanZant spoke with her after the fight. "She's a really sweet girl."

Waterson says she has 2 opponents in mind moving forward -- and also wants to capitalize on her high profile victory ... maybe even taking Paige's place on "Dancing with the Stars."

Check out the clip ... Michelle's awesome.

More insults, more fun!

This time it's UFC star Cody "No Love" Garbrandt taking aim at Dominick Cruz's facial hair ... saying his newly sported stubble won't save his chin when they face off at UFC 207 on Dec. 30.

These two guys have been going back and forth for months ... and it ain't gonna stop until they get in the Octagon.

Question is ... can these two ever be friends when it's all said and done? You might be surprised at the answer.

It's a fight between two pretty boys ... and Mickey Gall says he's got the edge over his opponent, Sage Northcutt, in both looks AND talent.

Gall and Northcutt will face off at UFC on FOX 22 on Saturday ... and when we got Mickey out in NYC he joked that he's gonna get revenge for all fruit affected by Sage's "Apple Challenge."

Brock Lesnar was just hit with a 1 year suspension and massive $250k fine for two failed drug tests at UFC 200.

Floyd Mayweather just upped the ante in his beef with Conor McGregor ... calling him one of the most disrespectful words out there ... a "bitch."

Mayweather hit up Instagram Live ... and ripped into the UFC star, saying "Conor McGregor's a bitch."

Floyd didn't stop there ... he also posted video of C.M. getting choked out by Nate Diaz ... and offered 10 Gs to the person who comes up with the "best caption" for the video.

These latest shots come on the heels of Floyd saying he'd "slap the s***" out of McGregor.

Your move, Conor.

Anyone betting on Ronda Rousey to beat Amanda Nunes at UFC 207 should be shakin' in their boots ... so says former UFC star Chuck Liddell.

TMZ Sports got the Iceman at LAX Wednesday and he painted a worrisome pic of Rousey -- who hasn't fought in more than a year.

Floyd Mayweather and Conor McGregor's war of words just got realer than real ... with Mayweather vowing to "slap the s***" out of the UFC star the next time he sees him.

Mayweather made the threat while doing an Instagram live chat on a boat (in full Hawaiian shirt mode) ... saying he's tired of Conor mentioning his name and he's now willing to take violent action.

This comes just days after TMZ Sports got McGregor out in L.A. dissing Mayweather yet again ... saying that it's himself -- not Floyd -- who's the biggest combat sports star in all the world.

Floyd was smiling when he made the statement ... but we know The Notorious one doesn't take any threats lightly ... and has had near-brawls with other UFC stars based on Twitter beefs in the past.

It's starting to get good, folks.

Cris 'Cyborg' Justino is officially a United States citizen!!

The Brazilian born UFC fighter was one of thousands who took an oath of citizenship in Los Angeles Tuesday morning at the L.A. Convention Center.

Get this ... Justino says she put "Cyborg" as her middle name on her docs, just to make things official.

Cyborg applied back in December 2015 ... and had previously had a visa for competitive athletes and a green card.

Hard to tell what Conor McGregor's more fired up about right now -- getting his hands on Floyd Mayweather ... or on a juicy fried chicken breast.

UFC star Paige VanZant says a super fight between her and Ronda Rousey is DEFINITELY a possibility ... as long as Rousey is willing to shed some serious pounds to make it happen.

The two ladies haven't exactly been cool with each other ... being locked in a yearlong feud that started when Ronda got pissed that Paige congratulated Holly Holm on kicking Rousey's ass.

Seems like that beef has cooled off lately ... but when we got Paige out in L.A. Monday she said she's definitely down to feud with Ronda in the Octagon ... as long as it's at a fair weight.

FYI -- Paige fights at 115, Ronda fights at 135 ... according to VanZant, the magic number here is in the middle ... at 125.

It's not an impossible scenario. Rousey has a massive fight coming up against Amanda Nunes at UFC 207 ... but if she gets past that test, a fight with Paige -- one of the biggest names in the sport -- could be huge.

Heavyweight Champ Deontay Wilder says there's only one UFC fighter he'd like to get in the boxing ring ... and it ain't Conor ... telling TMZ Sports he'd love to kick the hell out of Brock Lesnar.

We got the big man out at LAX and wanted to know which Octagon star he'd like to rumble with ... since boxing vs. UFC is all the rage these days.

He totally disses McGregor ... saying he's too small and not skilled at all ... but definitely had a guy in mind ... and although it's the biggest, baddest monster in MMA ... Wilder says he'd roll him.