The one U.S. city that is most obsessed with college basketball is in Kentucky, of course. It’s the home of a school with a rich pedigree, a recent national championship and, most important, a rival that fits the exact same description.

The residents of Lexington, Ky., have an unbeaten team in the Kentucky Wildcats. But the citizens of Louisville can claim a different title: People there watch more college basketball than any other place on the planet.

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