As conference realignment continues, it will become increasingly difficult to maintain the balance between big and small schools that has made the tournament so compelling.
Top-ranked UConn is among the four No. 1 seeds in this year's women's NCAA tournament.
NCAA officials say the men's basketball selection committee may revisit the principle of locking in the last four at-large teams into the First Four after a possible UConn win Sunday would have sent the Huskies into the general at-large field.
Kentucky is chasing history, trying to become the first undefeated champion in March Madness since Indiana in 1976.
It was stated from the beginning that the odds of picking a perfect NCAA tournament bracket was 9.2 quintillion to 1, so perhaps it should come as a surprise that there are still three unblemished ones remaining in the ESPN.com Tournament Challenge.
President Barack Obama went with undefeated UConn to beat Notre Dame and win it all in completing his women's bracket for ESPN on Friday.
