Wisconsin and the Big Ten said they have "credible information" that the University of Miami tampered with Xavier Lucas ahead of the defensive back's expected transfer.

On Friday, cornerback Xavier Lucas announced he would transfer from Wisconsin to Miami—a move that has taken just 24 hours to shake up the world of college football. Lucas's move is unique in that he did not enter the transfer portal before joining the Hurricanes,

The NCAA requires schools to adhere to a player’s transfer request, but Lucas' name never appeared in the portal.