Nurse!

Jay Leno's such a badass, he did a comedy gig with an eye patch, a black eye, a bandaged wrist and a swollen face ... after taking a nasty fall near his hotel.

We got Jay arriving to the Comedy for Koby event in Beverly Hills on Monday night and our photog asked him the obvious ... what the hell happened to his face?!?

Jay tells us he was staying at a hotel on a hill and wanted to go to a restaurant at the bottom of the slope ... and instead of taking a winding path down, he tried to take a shortcut ... and it ended with him tumbling down the hill.

9:20 AM PT -- Dave Coulier responded to the John Stamos haters this morning on his Instagram.

"I'm sorry to see a bunch of negative comments as I've just begun my cancer journey.

"It's our friendship (me and John) and this is how we are handling a very tough time. I'm a comedian and humor is what drives me. John knows how to cheer me up and I laughed out loud when he arrived wearing a bald cap - being a true and loving friend and brother."

John Stamos is showing solidarity with his friend and former TV castmate Dave Coulier during his battle with an aggressive cancer, but some people online are taking issue with his method ... calling him insufficiently committed to the cause.

Stamos posted a few pics on Instagram of fellow "Full House" actor Coulier, featuring Stamos wearing a bald cap and shaving Coulier's head, who's going through chemotherapy treatment after his recent cancer diagnosis.

Coulier is battling stage 3 non-Hodgkin lymphoma, an aggressive form of cancer. The pic shows Stamos shaving Coulier's head, and the friends are both smiling ... as Stamos acknowledges he used a little Photoshop magic to make the bald wig blend. A third shot shows Dave's wife, Melissa, and John both kissing Dave's freshly shaved dome.

An NHL referee was stretchered off the ice and taken to the hospital on Monday night ... but, thankfully, it appears he's going to be OK.

The scary scene all unfolded in the middle of the Avalanche vs. Flyers game in Philadelphia ... after Colorado defenseman Josh Manson accidentally crashed into Mitch Dunning near the blue line.

Manson hit Dunning in the back with such force that it caused the official to lose his balance and tumble to the ice. For several moments, Dunning then lay motionless as trainers raced to his aid.

A pickleball player was so upset with his opponent following a game over the weekend ... he viciously kicked the guy right in his face -- and the violent scene was all captured on video.

According to The Kitchen Pickleball, the incident went down at a tournament ... just after the final point of the afternoon had been scored.

In the footage, you can see that as all four players on the court met at the net to shake hands, one of the men knocked his opponent's paddle out of his hand.

It's been just over a month since Aidan Hutchinson suffered a gruesome leg injury that ended his 2024 season ... but his mom provided an update that'll be music to Lions fans' ears -- saying his recovery is "going amazing" as he improves by the day.

Detroit's star pass rusher had fans in a frenzy in a recent social media pic ... which showed Hutchinson putting weight on his repaired leg while enjoying the team's dominant victory against the Jaguars.

After some supporters noticed a lack of crutches around AH, Mama Hutch jumped into the comment sections to give some clarity on her son's status ... saying while he's going in the right direction, he isn't able to fully lean on his limb without assistance just yet.

Sundance Head -- the country singer who won "The Voice" back in 2016 -- is out of the hospital ... and, it seems the shooting was a complete accident and not an act of violence.

The star's wife, Misty, shared an update on her husband's condition Saturday morning ... confirming the singer was in stable condition -- and, doctors released him late Friday night.

She says he's back home now ... though the ride from the hospital to their ranch wasn't comfortable -- 'cause his meds were wearing off and he was bleeding heavily through his wrappings.

Amanda Serrano's issuing a mea culpa after accusing Katie Taylor of intentionally headbutting her repeatedly ... taking to X to tell everyone she was way out of line with her previous comments.

Here's the deal ... Amanda and Katie brawled just before Jake Paul took on Mike Tyson down in Dallas Friday night -- and, during the fight -- Katie's forehead came up and smacked Amanda right above the eye.

Taylor won the fight by unanimous decision ... and, Serrano and her trainer weren't happy with the decision -- with Serrano telling the post-match interviewer it seemed intentional 'cause Taylor does it in every fight.

Boxer Amanda Serrano posted a wicked picture of the huge gash over her eye ... right after being defeated by Katie Taylor in a classic bout Friday night at the Mike Tyson vs. Jake Paul event.

Along with the hard-to-look snap ... she wrote, "To my fans I’m going to always give it everything I have. I’m a ruthless warrior & Katie is my buddy but Damn her best attribute is her head. No punching power but hard ass head lol."

Before Jake Paul showed some big-time toughness in the ring vs. Mike Tyson on Friday ... he displayed his huge soft spot on Thursday -- sweetly hosting a boy who's battling cancer throughout some of his pre-fight festivities.

El Gallo's guest of honor was Owen Obey -- a 7-year-old who was diagnosed with bone cancer earlier this year -- and TMZ Sports has learned social media influencer Samuel Weidenhofer actually helped the two link up.

Obey's mom, Chelsi, tells us Weidenhofer learned of Owen's story weeks ago ... and was so moved by it, he asked Jake if he'd be interested in meeting the youngster during fight week this week.

Sundance Head, a country music star who won a season of "The Voice," is recovering from a gunshot wound ... after an incident on his Texas ranch.

The singer's agent, Trey Newman, tells TMZ ... Sundance Head was at his ranch in rural Texas on Friday when he was shot.

We're told paramedics were able to get Sundance Head in stable condition and he's being airlifted by helicopter to a hospital in Tyler, TX.

A Frontier Airlines passenger claims he was left with severe burns and "disfiguring" scars on his privates after a scalding cup of hot water spilled on his lap ... detailing the extent of his alleged injuries in a new lawsuit.

In a court document obtained by TMZ ... the man, named Sean Miller, says he was flying home to Pennsylvania from South Carolina in September, when the hot water brought to him for a cup of tea ended up spilling onto his crotch region.

Miller claims the water was given to him in a "highly negligent fashion," noting the cup was filled to the brim with piping hot water.

A college basketball game was delayed several minutes on Thursday night ... because a player upchucked all over the floor!!

The gross scene unfolded just a few minutes into Eastern Michigan's matchup with IU Indy ... when Jalin Billingsley got so sick while trying to run back on defense, he vomited right on the hardwood.

Take a look at a replay from the game (only if, of course, you haven't had your breakfast yet!) -- Billingsley can be seen appearing to throw up while in a full sprint ... before he stops and hunches over.

Pete Hegseth's nomination by Donald Trump for U.S. Secretary of Defense has sparked quite a bit of chatter ... especially regarding the Fox News host's aim -- or lack thereof.

Footage from Pete's early Fox News days has resurfaced amid news of his big nomination ... showing the Army National Guard officer participating in an axe-throwing contest against then-costar Clayton Morris on "Fox & Friends." Despite Pete's military training, he struggles to make contact with the target ... instead striking an innocent bystander with the tool.

Check it out ... Pete stands directly in front of a wooden platform with a large target situated on top. Pete throws the axe at the bullseye, but it doesn't even make contact ... instead flying above and hitting a member of a drum corps standing on the other side.

Dave Coulier is opening up about his current health journey ... sharing his cancer diagnosis on national television.

The "Full House" star appeared on "TODAY" Wednesday morning, where he confirmed he had been diagnosed with stage 3 non-Hodgkin lymphoma ... a type of blood cancer that starts in the lymphatic system.

While speaking with Hoda Kotb about his diagnosis, the actor revealed he received the diagnosis 5 weeks ago ... which prompted him to undergo 3 surgeries and receive several rounds of chemotherapy.

Scary scene on the NBA hardwood Tuesday night ... Pistons wing Tim Hardaway Jr. terrifyingly slammed his head on the ground -- and needed a wheelchair to leave the game.

The scene all unfolded in the third quarter of Detroit's matchup with the Heat at Little Caesars Arena ... when Hardaway Jr. attempted to play some physical defense against Tyler Herro.

The 32-year-old stepped in front of the driving Miami star in an effort to draw a charge ... but Herro was coming in with so much speed, he knocked Hardaway Jr. to the floor.