Every team has flaws. This season, there's been no escaping that fact as every No. 1 has abdicated the throne in short order, often with a head-scratching loss.
Indiana spent more time atop the polls than anyone, but even the Hoosiers had nights where they looked very mortal. Matchups are the key to success in the NCAA tournament, and certain matchups simply didn't work out for IU this season.
On these four nights (because five is such a cliche), some facet of IU's game worked against it, and future opponents would do well to take notice.
We'll also point out some potential NCAA opponents who could be equipped to exploit these issues.