TMZ Sports

Mauricio Ruffy proved himself a lover and fighter on the White House lawn Sunday night ... dominating Michael Chandler, and then proposing to his girlfriend!

"What better place to ask my wife to get married?" Ruffy's translator said from the Octagon, turning to the crowd. "Nadine, I love you. Would you marry me, since we're right here at the White House?"

"She gave a thumbs up," Joe Rogan said.

Bo Nickal, one of the president's favorite fighters, gave the big guy a huge shoutout on the microphone after knocking out his opponent at Freedom 250!

"It feels amazing. First and foremost, I gotta thank President Trump for making this happen," the 30-year-old fighter told Joe Rogan from the center of the Octagon, as POTUS watched from just feet away.

"Thank you, Dana, all the UFC, everybody. This is unbelievable. It takes such a special person to be able to have the balls to do something like this. I have so much respect for him, had that for a long time. I'm just grateful to be here. Grateful to be a part of it."

President Donald Trump and Dana White might've just had the best walkout of the night, before a single punch was thrown, arriving on the South Lawn in style!

After a short rain delay -- thunderstorms were in the area -- POTUS and his longtime friend walked out of the White House's Oval Office, making their way to a balcony overlooking the Octagon ... as a 4,000-strong crowd, many military members, cheered from the stands.

Trump saluted while White held his hand over his heart as the National Anthem was played ... culminating with 12 U.S. military jets doing an AWESOME flyover.

The first fight of the night is officially in the books ... and it ended with a crazy KO!

Diego Lopes and Steve Garcia were first to fight -- and they made history as the first fighters to scrap on the White House's lawn -- and it was fun!

Garcia, ranked 9th, started off strong, getting the better of Lopes, ranked 2nd, in the first round ... but that was until Diego cracked Steve with a left on the chin, rocking his opp.

UFC Freedom 250's got more stars than the American flag ... and we've got a gallery capturing the crowd in all its glory.

Charlie Cotton caught up with Kid Rock -- who told us UFC Freedom 250 ranks #1 in all United States sporting events of ALL TIME!!!

Heavy hitters like Mackenzie Dern, Joshua Van and Diego Lopes also pulled up to the prez's place Sunday evening before one of the most-anticipated events in sports.

Gilbert Burns put a fan in a headlock for a photo-op ... while Jean Silva stood next to his admirers, fists raised, for pics.

Brittney Lefevre and Kristina Santa are usually lovers ... but it's clear they're quickly turning themselves into fighters -- working out on a beach in a pair of tiny bikinis.

The OnlyFans stars hit Miami Beach this weekend before their bouts at The Knockout Queen ... a multi-day festival in Coachella Valley later this month that will feature OF models using their hands in a decidedly different way than usual.

Brittney and Kristina rip sit-ups and pull-ups in the clips, throw punches and even run sprints -- all while baring pretty much everything in barely-there bathing suits.

New details surrounding Aldon Smith's sudden death are coming to light ... with the reports the former NFL star was found unresponsive inside a truck shortly before he was pronounced dead Saturday.

Smith had spent part of the day with friend Amir Shirazi, helping deliver pizzas to a local homeless outreach organization in the Bay Area before running several errands together, according to the San Francisco Chronicle.

However, after returning to Shirazi's home in Los Gatos, the day took a devastating turn. Shirazi told the Chronicle he briefly went inside the house, only to return and find Smith slumped over in the front passenger seat of a pickup truck.

Donald Trump is one of the oldest sitting presidents in U.S. history ... and now he's completed another decade of life.

Trump is turning 80 today, and he's celebrating at the White House UFC Freedom 250 event, which is going down on the South Lawn.

POTUS is sure to be decked out in his birthday best for the occasion ... we're guessing we'll see him in his signature spray tan and a dramatic combover.

A video of Aldon Smith getting a haircut just days before his death has surfaced online, showing the former NFL star in a reflective mood during a routine barbershop visit.

In the clip, Smith is seated in the barber’s chair as he chats casually with his barber. At one point, he mentions he’s "had better days," but doesn’t go into detail when asked further.

Smith appears hesitant to elaborate, saying he’s been dealing with something he’s "had to deal with" his whole life, and noting he’s currently struggling with how things are unfolding, without providing specifics.

Charles Barkley couldn’t hide his surprise over one familiar face showing up courtside during Game 5 of the NBA Finals ... and he made sure to call it out on live TV.

As "Inside the NBA" was heading to a commercial break on Saturday night, Barkley reacted in real time after cameras cut to actress Sydney Sweeney in the crowd.

"Is that Sydney Sweeney?" Barkley said, sounding genuinely shocked before adding, "Everybody’s a New York Knicks fan now."

Jalen Brunson is making it clear he’s got Monica McNutt’s back after she caught heat from Taylor Swift fans during the NBA Finals ... and he has a message for the Swifties.

Following the Knicks’ championship-clinching Game 5 win, Brunson took a moment to address the controversy surrounding McNutt’s comments about Swift during the Game 4 broadcast.

Brunson, who was seen celebrating with McNutt courtside, bumped into her during the postgame excitement before turning his attention to the online backlash.

A shooting in Times Square left one teenager injured following the Knicks’ Game 5 NBA Finals victory ... with police describing a night of widespread chaos across New York City.

Law enforcement sources tell us the most serious incident unfolded around 43rd Street and Broadway, where a 17-year-old victim was shot during the post-game celebrations.

Authorities say the NYPD, not an ambulance, transported the teen victim to the hospital because emergency vehicles were unable to access the area due to massive crowds that had "completely taken it over."

Officials also confirm a firearm was recovered at the scene, and three people of interest are currently in custody as the investigation continues.

Timothée Chalamet is going viral after making his priorities pretty clear ... he'd take a seat at a New York Knicks game over The Oscars any day.

In the viral video circulating online, the four-time Oscar nominee suggests he’d choose being in the building for a Knicks game over attending the Academy Awards ... a statement that instantly sent sports and entertainment fans a tizzy online.

The moment is already lighting up social media, with users replaying the video and reacting to Chalamet’s enthusiasm for his team and his apparent dogging of Hollywood’s biggest night.

The city that never sleeps didn’t even try to chill Saturday night ... because the moment the Knicks secured a massive Game 5 victory in the NBA Finals, New York City exploded into celebration.

Seconds after the final buzzer, crowds spilled into the streets across Manhattan, Brooklyn, and beyond ... turning sidewalks and intersections into full-blown parties as fans celebrated the series-shifting win.

Car horns blared nonstop, people waved Knicks gear in the air, and impromptu chants echoed through the city as thousands of fans poured outside to mark the historic win.