Here's a little background on the embarrassment they called officiating during the UNC game:
Pat Adams-
League- Horizon and SEC
Controversial games- Ejects play by play announcer http://collegebasketball.nbcsports.com/2016/03/08/video-official-pat-adams-ejects-a-play-by-play-announcer-during-a-game/
Also was the leader of a crew that called 50 fouls in 40 minutes of an Arkansas vs Texas A and M game thus past January. Widely considered one of the worst in the SEC
controversial ending to 2015 SEC tourney game between OleMiss and S. Carolina http://ukbasketball.bloginky.com/2015/03/13/referee-pat-adams-gutsy-call-or-not-letting-players-decide-game/
Joe De Rosa-
Leagues- SEC and Big 12
contoversial games- was NBA official for 22 years including ejecting an Orlando Magic fan for heckeling him
Lee Casell-
League-SEC
Contoversial game- Was on the same crew with Pat Adams and garnered much criticism for their management of the SEC tourney game in 2015 between Ole Miss and South Carolina
So if IU lost to Iowa, but beat Maryland, IU would be 3-2 against teams with 5 losses vs Iowa being 3-3 against those same teams meaning IU would win the tie breaker