No big surprise in US NCAA

The data told the story all year on Duke, Houston, Florida and Auburn. In that regard, it shouldn't be a surprise to see them in the Final Four as only the second all-chalk set of 1-seeds to reach college basketball's final stage.

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The Blue Devils, Cougars, Gators and Tigers had held the top four spots in daily rankings from KenPom since the first half of February, and their net efficiency ranks among the best ever charted by the analytics site going back more than a quarter century. They were also the headliners on data-driven rankings from Bart Torvik and Evan Miyakawa as well, further confirmation of how good these teams have been from November, through March Madness and now entering San Antonio.

There's only a few minor variations in those comparisons. Duke is No. 1 for KenPom and Miyakawa ahead of Houston, while the Cougars are No. 1 in Torvik ahead of the Blue Devils. And the offensive and defensive efficiency numbers are all in the top 10 except for Torvik having the Gators at 15th in adjusted defensive efficiency.