Police say Final Four fan rivalry turned into fighting between two dialysis patients.
Officers were called to a dialysis clinic in Georgetown Monday because of a reported scuffle.
Cops say a U-K fan was hooked up to a machine getting treatment when he got into a conversation with a man who cheers for the Cards.
Police say it went from banter...to insults and rude gestures before the Louisville fan went over and punched the Cats fan.
The fight was over when officers got there.
They took a harassment complaint but say it's up to the U-K fan to decide if he wants to press charges.