How the Mighty Fell: Coach K and Roy Williams Often Ranked #1

In military lingo, it's a HVT (high-value target). No school with a bull's-eye on its back has incurred more defeats as nation's top-ranked team than North Carolina, which fell for the 30th time as #1 earlier this season when the Tar Heels bowed at UNLV, 90-80. The reversal marked the 17th such setback for Roy Williams (11 with Kansas), who only trails Duke's Mike Krzyzewski (25) and Carolina's Dean Smith (18) for most losses coaching the country's top-ranked club.

Notre Dame has 10 victories over the nation's top team but its triumph against Syracuse in mid-January was the Fighting Irish's first in this category since 1987, when Digger Phelps and Company clipped North Carolina, 60-58.

The next setback for Kentucky will mark the 28th time the Wildcats had a top-ranked squad knocked off its lofty perch since AP national rankings were introduced in the late 1940s.