Mike Tyson sent the US Women's National Team a big congrats on their World Cup win when we caught up with him at LAX, on Sunday. And then we asked him about Lil Nas X's fight challenge -- yep, the newly-out "Old Town Road" rapper issued a challenge to heavyweight champ Mike Tyson to meet him in the ring -- a la Justin Bieber to Tom Cruise. And he did it in the funniest way (see his Insta below). What did Mike have to say about it? Watch!

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i challenge u @miketyson

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