Boxing

Floyd Mayweather has issued a full apology for a photo on his Instagram page that mocked Oscar De La Hoya's struggle with substance abuse ... though Floyd insists he never approved the photo to go up.

Mayweather came under fire yesterday ... because after he beat up Canelo Alvarez (who's signed to Oscar's boxing promotion company), a pic was posted on his Instagram page showing a crying De La Hoya along with the caption, "Meanwhile Back In Rehab."

Another caption on the picture read, "Oscar: I gave Canelo the wrong blueprint I was high."

Now, Floyd's speaking out ... with another Instagram post ... which reads, "It's unfortunate that a stupid picture was posted to my Instagram account earlier today that was not posted by me or authorized by me to post."

He adds, "I completely support Oscar De La Hoya and his family during this difficult time in his life. I stand by him unconditionally and would never personally disrespect him or anyone else who struggles with addiction."

"I also apologize to all of my followers for this ridiculous post. I have no ill-will towards anyone."

Floyd Mayweather Jr.'s baby mama is LIVID -- telling TMZ, her 10-year-old daughter was dressed up like some gold-digging hoochie at the big fight on Saturday ... and it's all one designer's fault.

The designer in question is Project Runway's Michael Costello -- and Floyd's baby mama Josie Harris tells us, Costello was hired to design a very special dress for the boxer's 10-year-old daughter Jirah to wear at the Canelo fight in Vegas (left).

Josie says the dress came out great -- but when they showed up to the fight, she noticed Floyd's on-and-off-again side piece Shantel Jackson wearing the same exact dress (right).

According to Josie, she paid Costello $795 for a one-of-a-kind dress, and now she's pissed the guy gave a replica to none other than Floyd's girlfriend ... who also sat ringside.

Josie tells us, "It's an unspoken rule and a cardinal sin for a 'real designer' to dress clients alike going to the same major event ... Tacky, tacky, tacky."

And Josie didn't stop there, turning her anger toward Jackson as well ... adding, "She is a total gold digger ... She conveniently came back around 2 days before Floyd got his $41.5 million check."

As for the designer, Costello says he will NOT be giving anyone a refund -- telling us, "No exclusivity was promised regarding the dress. If you want exclusivity, you need to pay more." Costello says his people told Miss Jackson that Floyd's daughter would be wearing the same dress and she didn't care.

Floyd Mayweather doesn't think Oscar De La Hoya's stint in rehab is off-limits when it comes to talking smack -- and today, the boxer took a BIG shot at the Golden Boy's substance abuse issues on Instagram.

Money posted a meme featuring a picture of Oscar looking sad ... with the caption, "Meanwhile In Rehab."

Another caption reads, "Oscar: I gave Canelo the wrong blueprint I was high."

The pic is an obvious reference to Floyd's big victory over Canelo Alvarez this weekend ... which took place one day after Oscar (Canelo's fight promoter) checked himself back into rehab for substance abuse.

The boxing judge being ripped apart for scoring the Mayweather/Canelo fight as a draw tells TMZ she doesn't care what the critics say ... insisting she called the fight correctly.

Judge C.J. Ross tells us "I stand behind my decision" and isn't phased by all the ferocious criticism she's received from both experts and amateurs.

In case you missed it -- Floyd Mayweather scored a convincing victory over Saul "Canelo" Alvarez last night ... but C.J. was the only judge to score them evenly.

After the fight, boxing expert Teddy Atlas went on ESPN and said Ross' score was a travesty and suggested she was paid off by gamblers.

Everyone in the arena was shocked by C.J.'s call ... including Floyd Mayweather who mouthed the words, "What the f***" when the announcer revealed he won on a majority decision and not unanimous.

But it's clear the judge doesn't care ... in her mind it was a draw.

Justin Bieber just high tailed it to Las Vegas with his crew to walk Floyd Mayweather into the ring tonight ... and they're clearly expecting "Money" to kick ass.

Justin boarded with Lil Twist, Lil Za and a few others Saturday for Floyd's fight against Saul "Canello" Alvarez -- and most of his entourage were proudly sporting Mayweather's Money Team shirts.

Worth noting ... no visible puffs of smoke as they boarded the plane ... this time.

8:20 PM PT -- Bieber is officially backstage with the champ.

Justin Bieber has successfully weaseled his way into Floyd Mayweather's inner circle -- AGAIN -- TMZ has learned, the 19-year-old will walk Money May to the ring tomorrow before his next big boxing match in Vegas.

Bieber has been ingratiating himself with Mayweather since last year, when the singer appeared out of nowhere at Mayweather's match against Miguel Cotto ... walking the fighter to the ring, and celebrating with him afterwards (along with Lil Wayne).

The courtship continued ... and this summer, Mayweather flew Bieber out to his 13-year-old daughter's birthday party.

Now, Bieber's back for more shameless money-flaunting publicity whoring ... agreeing to accompany Mayweather to the ring Saturday at the MGM Grand, where May's set to fight Saúl "Canelo" Alvarez.

And he deserves to get his ass kicked. (We may or may not be talking about Alvarez.)

​If Anderson Silva WANTS Roy Jones Jr., he's gonna GET Roy Jones Jr. -- 'cause RJJ tells TMZ he'll accept Spider's challenge to a boxing match ... but the clock's tickin'.

We spoke to the 44-year-old former boxing champ in L.A. this week ... who says he heard Silva loud and clear when Anderson told the New York Post about his dream to fight a "great champion" like Jones.

38-year-old Silva is currently under contract with the UFC ... but suggested that UFC honcho Dana White should strike a deal to make the fight happen.

As for Roy -- once considered the best pound-for-pound fighter on the planet -- he tells TMZ, "I would love it ... Call me and we'll make that happen."

Evander Holyfield's wife is throwing in the towel in the war against the former boxing champ -- asking a judge to drop the protective order she obtained against him earlier this month.

According to court officials in Fayette County, GA, Candi Holyfield pulled the plug on the order yesterday.

Candi had accused Evander of hitting her in the face, the back, and the back of her head after she complained that their children were cold because the heat had been cut off in their Georgia home.

In Candi's petition for the protective order, she also claimed Evander had been physical with her in the past -- saying he "choked me in front of our daughter and housekeeper" in 2008.

Former boxing heavyweight Evander Holyfield is attempting to change up his child support payments -- claiming he's just not pulling in the cash he was 10 years ago.

According to documents filed last month in Cobb County Superior Court in Georgia, Holyfield wants his agreement with ex-wife Janice Itson from 2000 modified because his "income has decreased."

The docs also say he now has other children "for whom he is also responsible to support."

Evander Holyfield has pulled a Bill Clinton, who famously translated the word "is". Evander now says there's a difference between being "broke" and "not liquid".

"I'm not broke. I'm just not liquid," the ex-champ tells the Atlanta Journal-Constitution, insisting he didn't "blow" the hundreds of millions he scored in the ring.

His lawyers claim the 109-room mansion is no longer up for auction. Maybe he sold more of those "Real Deal" grills.

Evander's home has gone into foreclosure and it's going on the auction block. On the home front, he's being sued for allegedly defaulting on a $550,000 landscaping bill. And, baby mama Toi Jenese Irvin is taking him to court for $6 grand in back child support.