Move over KSI and Dillon Danis, there’s a new boxing opponent for Jake Paul — ex-NBAer Nate Robinson … who tells TMZ Sports he’s DEAD SERIOUS about wanting to fight the internet superstar.

It sounds random as hell, but let us explain how we got here.

Nate tells us he’s been following Jake’s recent antics VERY closely lately … and he’s sick of hearing Paul calling out weak opponents like a “bully.”

So, Nate — who’s been training like crazy in the ring — has the perfect solution … by offering to showcase his skills in a match against the 2-0 fighter!!

“I want all the smoke,” Nate tells us. “I’m a top tier athlete!”

“I’m putting my everything on the line for (Jake). Let’s get it done. It’s that simple.”

Nate says it would be the greatest accomplishment of Paul’s career if the YouTuber came out with the W … but explains he’s eyeing some all-time greats to help keep that from happening.

“If I get trained with somebody like a (Mike) Tyson, (Floyd) Mayweather, (Terence) Crawford, (Vasyl) Lomachenko, if I fight and I train with some of the best of the best in the world, like please, I don’t think he stands a chance.”

Of course, Jake already has 2 wins under his belt … with wins over Deji and AnEsonGib … but Robinson’s confident he’ll hand him his first L.

Nate even has a message for Paul … saying he’s ready to stop talking and start fighting.

“Listen, I’m not gonna be talking and yapping, bro. Jake, just sign the papers and let’s get it poppin’! I’mma let you do all the talking and I’ll do all the training and then I’mma let my hands do the talking.”

Boxing star Jermall Charlo is a suspect in a police investigation of a brutal assault that allegedly took place over the weekend … TMZ Sports has learned.

Cops in Fort Bend County, Texas tell us they responded to a Missouri City residence at around 10 PM on May 23 … initially for a welfare check.

But, officers say when they arrived … someone reported there was an aggravated assault causing serious bodily injury during a party at the residence — and they launched an investigation.

Cops are mum on the details of the allegations — we’re working on it — but they do say they have identified Charlo as a suspect in the case.

The 30-year-old WBC middleweight champ has NOT been arrested at this time.

Charlo is one of boxing’s biggest suspertars … he’s 30-0 in his pro career with 22 knockouts.

Mike Tyson says he’s seriously considering a rematch with Evander Holyfield — but only because it would raise MILLIONS for people in need.

“That would be awesome for charity,” Tyson said on “TMZ Live” … “Can you imagine me and him going in the ring together?”

Of course, 53-year-old Tyson has been training like a maniac recently and looks absolutely terrifying — something he credits to the stem cell treatments he’s been receiving.

“I’m in good shape, I feel really good!”

Now, with 57-year-old Holyfield also training for a comeback — we asked if there’s truth to the rumors they’re planning on running it back for a 3rd time.

“Anything is possible,” Tyson said … noting that he’s “having fun, looking good, showing off my new bod and stuff.”

Tyson says he’s committed to living a life of charity and gratitude — but he knows a fight with The Real Deal could make a serious difference in a lot of people’s lives.

“Hey, listen, there are a lot of people out there that need help and something like that could help a lot of people, that’s in need for help.”

Tyson also revealed he’s focusing on meditation — and feels he’s on the path to enlightenment.

In fact, Tyson will be participating in a massive World Meditation Day event Thursday at 11 AM PT … along with Deepak Chopra and Tony Robinson.

Tyson says the goal of the event — which will be streamed live on Facebook — is to get 1 BILLION people from all over the world to unite for synchronized meditation and prayer.

“I will beat Floyd. I promise my life on it.”

That’s Conor McGregor telling Mike Tyson he WILL defeat Floyd Mayweather in a boxing match … if it’s the last thing he ever does!

So, why the renewed interest in a rematch with Floyd?

Tyson was sitting down with Francis Ngannou and the UFC star’s manager for an episode if his “Hotboxin’ with Mike Tyson” podcast when Mike began raving about McGregor’s foray into boxing back in 2017.

“He’s never really had a boxing match in his life, right? He went 10 rounds with the greatest boxer in the land, in 100 years of boxing.”

Tyson continued, “He went 10 rounds, scored punches on the greatest fighter in the last 20, 100 years.”

“Imagine a guy who’s never had a boxing match and he’s fighting me? He goes 10 rounds and we’re fighting?”

“We go 10 rounds, that’s a bad motherfu**er,” Tyson said.

Well, Conor McGregor saw the clip … and issued a strongly worded statement of his own.

“Thank you Mike, and just know that for the inevitable rematch, with the knowledge I now hold of Floyd’s style, plus under the tutelage of my old school boxing coach, I will crack the puzzle, and I will beat Floyd. I promise my life on it.”

McGregor added, “It is great to see you back Iron Mike.”

As we previously reported, Conor has been TRYING to lock up a rematch with Floyd for a while … but Floyd hasn’t signed a contract yet.

Boxing superstar Ryan Garcia tells TMZ Sports he’s gunning for a 2-fight deal with Henry Cejudo — one boxing, one MMA — and he’s ready to scrap on the 4th of July.

Garcia and Cejudo have been talking A LOT of trash to each other ever since the UFC superstar’s surprise retirement after his victory over Dominick Cruz on Saturday night.

Cejudo called the undefeated 21-year-old boxer an “Oscar De La Hoya wannabe” … and threatened, “I’d make you bend the knee in your own sport.”

When we spoke with Garcia, King Ryan told us he’s sick of talking — he wants to fight already.

“Chicken Little, he got very disrespectful in my honest opinion,” Garcia said.

“I came at him in a respectful way but he came at me in a disrespectful way so, in that regards, that needs to be handled.”

“I haven’t found an opponent for July 4th but I feel like we can make that happen if he really wants that work.”

And, get this, Garcia says he has a secret weapon to help him lock up a deal with Cejudo — TOM BRADY!!

“I’ll hit up Tom,” Ryan says … “Me and him are cool. He’s a partial owner of the UFC. I feel like he’s a fan of both sports and I think he’s a fan of both of us. I know he follows me and I know that that’s gonna cause interest in him so I feel like I can hit him up and be like ‘Lets make this happens’ so I might do that today.”

As for how the 2-fight deal would work, Ryan explained it to us this way …

“First, we gotta have it in the boxing ring cause he called me out … Once I knock him out, as a man I’ll respect him enough and be like ‘Aight, I’ll hop into your thing now.'”

“There’s no way he’ll KO me in the Octagon. The only thing he’ll ever do to me is submit me … and I’m cool with that.”