Conor McGregor reached superstardom in UFC when he defeated Jose Aldo at UFC 194 in 13 seconds for the UFC Featherweight Championship. This was the fastest finish in any UFC title fight in history.
He relished in this new worldwide limelight, showing off more of his extravagant lifestyle and trash talking. So much so that he decided to jump up to lightweight to take on UFC Lightweight Champion Rafael dos Anjos at UFC 196 in an attempt to become the first UFC dual-weight champion.
However, dos Anjos pulled out of the fight, so the Irish fighter took on Nate Diaz in the welterweight class instead, who only had 11 days to prepare for the fight. When McGregor submitted to a rear-naked choke by Diaz at UFC 196, he remained humble in defeat and promised he would be coming back.
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The date of McGregor's next fight hasn't currently been confirmed. Although the fighter himself has said he will be moving back down to featherweight to defend his championship, a rematch against Diaz at welterweight is currently in the works for UFC 200.
Many other fighters - including Aldo and Frankie Edgar - have called out the Irishman for a fight with the Featherweight Championship on the line. One more fighter has thrown his hat into the ring to fight McGregor, not for his title, but for a test mentally and physically. That man is Anderson Silva.
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He said to the Brazilian outlet Combate, according to Fox Sports: "That's a challenge I would like to do. I've never asked to fight anybody, but I would like to test my martial arts skills against Conor McGregor. I would like that and a rematch with Nick Diaz and Michael Bisping.
"I think McGregor is a great striker, but he didn't do very well in his last fight because he played into Nate Diaz's game and that's really hard. The Diaz brothers have a lot of gas. You have to respect him, the loss to Diaz doesn't diminish his career at all. These are the fighters I would like to fight. McGregor, Diaz and Bisping because that fight did not end nicely."
Unfortunately, Silva is now 40 years old and he hasn't managed to win any of his last four fights - after his fight against Diaz was called a no contest when he was tested positive for PEDs, so he is a long way from having his challenge accepted by McGregor.
With plenty of other competitors lined up to face the Irishman, and with Silva being no longer in his prime, the former middleweight champion is unlikely to get the bout he wants, but it definitely would have been a great fight to see.