UFC legend Conor McGregor has had some pretty controversial moment throughout his career, both inside and outside the ring.The word 'Notorious' certainly comes to mind when thinking of McGregor and the moments he has ingrained the UFC with over the course of his fight career. The 32-year-old Irishman is not shy when it comes to making the headlines, but it's sometimes for all of the wrong reasons.McGregor is still yet to reverse his most recent retirement, three in four years actually, so let's take a trip down memory lane to all of the former champ's most 'Notorious' moments, with thanks to an article run by The Sun.

NAZI JIBE

First on this list has to be Conor's distasteful remark back in January 2015.

McGregor had earned a featherweight title shot after defeating Russian-born German Dennis Siver, however, in the pre-fight build up, McGregor tweeted: "Kiss them feet Nazi."

Conor followed this up with an apology tweet, which read: "Ich bin ein sowwy. Now about them feet..."

ALDO THREAT

Previous to McGregor KO'ing Jose Aldo in legendary time of a mere 13 seconds, Conor said: "If this was a different time, I would invade his favela on horseback, and would kill anyone who wasn't fit to work. But we're in a new time, so I'll whoop his ass instead.”

McGregor didn't let up and continued stating that he would want to "turn his favela into a Reebol sweatshop."

Aldo took this very personally, as you would expect. It should also be known that Aldo was born from poverty in Manaus until MMA turned his life around.

CHOLO JIBE

‘Cholo’ is a racially-charged pejorative term meaning a Mexican of low-class or criminal background.

This is what McGregor called Nate Diaz back in 2016 ahead of their first bout at UFC 196.

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UFC 200 NO-SHOW

Diaz beating McGregor meant that a rematch for the pair was shceduled in for UFC 200, however, Conor chose not to show for the pre-fight presser which saw him unceremoniously axed from the event all together.

McGregor's excuse was that he wanted to stay in Iceland to train and mourn the death of Joao Carvalho, who died following a bout with McGregor's team-mate Charlie Ward. 

BOTTLE FIGHT

Both McGregor and Diaz would get the date for their rematch, however, the pair were still unable to be civil at the pre-fight press conference and bottles were thrown.

The two began lobbing bottles at one another, then McGregor turned for the cans of UFC'S sponsored Monster Energy.

McGregor was initially fined £120,000, only for it then to be halved, while he also had to serve 50 hours of community service.

RACISM ACCUSATIONS

McGregor made history by fighting Floyd Mayweather in August 2017, however, got into trouble regarding a comment said during the build-up to the fight.

McGregor shouted at Mayweather: "Dance for me, boy," before saying he was "half-black from the belly button down."

Conor went on to deny any racist behaviour, but did say: "If anyone was offended, of course I apologise. I am human at the end of the day."

HOMOPHOBIC SLUR

After McGregor's teammate and close friend Artem Lobov was defeated in October of 2017, he called opponent Andre Fili a "f****t" for his tactics.

This went against McGregor's campaign for same-sex marriage and Conor later admitted his mistake, held his hands up and apologised.

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He said: “I’m human; I slip up, I say stupid things every damn day. All I can (do) is hold my hand up and apologise if anyone was offended."

REF ATTACK

After Ward won at Bellator 187, The Notorious jumped into the cage in celebration, but was confronted by referee Mark Goddard.

McGregor went at the ref, but was held back by security and in the process appeared to spew verbals at the Brit official.

BUS ATTACK

Perhaps McGregor's most infamous incident to date was when he travelled 3,000 miles from Dublin to New York in April 2018 to confront rival Khabib Nurmagomedov, who was filmed in a dispute with Lobov earlier that week.

The Irishman, accompanied with friends, then attacked the bus with Khabib inside, smashing windows and causing six fights to be cancelled through injuries.

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Dana White called it the "most disgusting thing" in UFC's history.

POST-FIGHT BRAWL

McGregor would finally get the chance to meet Khabib face-to-face in the Octagon for a sanctioned bout at UFC 229 back in October 2018.

But after winning by submission in four rounds, Khabib hopped the cage and began brawling with McGregor's team - while the Irishman did the same in the cage.

McGregor was banned for six months and handed a £60,000 fine, but boasted about landing the final punch of the night - on Nurmagomedov's cousin.

SMASHING FAN'S PHONE

Absent from the Octagon throughout 2019, McGregor was still making headlines, but for the wrong reasons.

In March he was captured smashing a fan's phone on the floor in Miami and later arrested.

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But he settled a civil lawsuit with the victim out of court.

PUNCH IN THE PUB

Perhaps on par with the bus incident, one of McGregor's most shameful moments came in April last year after he was caught on CCTV punching a man in his 50s in a Drimnagh pub following a dispute over his Proper 12 whiskey.

It led to several fans in Ireland turning their back on the former two-division champion and some pubs refusing to sell his drink.

McGregor pleaded guilty to one charge of assault last November and fined £861.

So there you have it, there's bound to be some that have been missed. Conor McGregor has certainly earned the moniker 'Notorious', but he's also gone way too far, way too many times.

Let's hope we can see him in the headlines again soon, but for the right reasons.

He's due out of retirement pretty soon by our calculations...