If anybody wants to know why NCAA-Men's wants their officials to put their hand behind the head for player control fouls, you just saw why.
The Center official is calling a PCF, but the announcers think he is counting the basket.
As far as who should take the call, where the contact occurred I can understand the Center having a whistle on this play. It is a secondary defender, but I believe he only has one foot in the paint when the contact occurs.