Brackets everywhere have already burst into flames by this point, but the NCAA tournament still promises to bring the heat. With just 16 teams remaining, a No. 1 seed is already out, one double-digit seed remains and, you guessed it, Kentucky is still undefeated.

Kentucky isn't the only Wildcats team with a possibility to head to the national championship game. Arizona has looked dominant thus far as well and might pose a threat to the unblemished season if it can survive against Xavier and either Wisconsin or North Carolina.

Prior to tip-off to ultimately decide the four different regions, here's a look at the updated bracket, sc...

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