Nate Diaz is the toughest opponent Conor McGregor has faced, according to the Irishman himself.

Conor McGregor replied "Nate" when asked about his toughest opponent during a Twitter Q&A.

What happened?

The pair first fought at UFC 196 in March 2016, with Nate Diaz winning via submission in the second round.

Nate Diaz's victory was a significant upset, as McGregor was the heavy favorite.

Why it matters for Nate Diaz

The win over McGregor catapulted Nate Diaz to stardom in the UFC.

McGregor and Nate Diaz faced each other again at UFC 202, where McGregor won via majority decision.

The rematch was a closely contested fight, with both fighters giving their all.

What comes next?

Conor McGregor hasn't fought since losing to Dustin Poirier at UFC 264 in July 2021.

McGregor described his upcoming comeback as "the greatest comeback in sports history".

Nate Diaz's toughness has been praised by many in the UFC, including McGregor.

The rivalry between McGregor and Nate Diaz is one of the most famous in the UFC.

Nate Diaz's submission win over McGregor at UFC 196 was a huge upset.

The fight was scheduled for 170 pounds, but McGregor missed weight by 0.2 pounds.

The UFC 196 fight was initially supposed to be between McGregor and Rafael dos Anjos.

But dos Anjos pulled out due to a broken foot, and Nate Diaz stepped in on short notice.

Nate Diaz's victory over McGregor was his fifth submission win in the UFC.

The win also earned Nate Diaz a $100,000 bonus for Performance of the Night.

Nate Diaz's toughness and skill have made him a fan favorite in the UFC.

The rivalry between McGregor and Nate Diaz continues to be a major storyline in the UFC.