Conor McGregor vs. Anthony Pettis -- a match made in fight Heaven -- according to Pettis, who says fighting The Notorious would be a "dream fight" for UFC fans.
We talked to Pettis -- days after moving up to the welterweight division and starching Stephen "Wonderboy" Thompson -- about his next move ... and he says Conor makes a whole lotta sense.
There's just 1 problem ... Pettis says if Conor's actually mulling quitting, fighting him is a very bad idea.
"Man, I wouldn't talk him outta retirement. If someone wants to retire, don't get in the Octagon with me," Pettis tells TMZ Sports ...
"It's gonna be a bad one. I'm too hungry right now. I'm too motivated. I just knocked out the #3 in the world at 170 pounds. If you're trying to retire, don't entertain a fight with me."
But, if Conor's just using the threat of retirement as a negotiating ploy, Pettis is all the way down to fight ... and he thinks it'd be a helluva entertaining match up.
"I go for the kill. He goes for the kill. We both have a flashy striking style with a great ground game.".
Ya hear this, Dana?
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