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

Wisconsin says it has “credible information” that Miami and Xavier Lucas made impermissible contact with each other before the former Badgers cornerback decided to transfer to his home-state school.

The Big Ten, NCAA and Wisconsin have all weighed in the DB's transfer in a battle that could set a precedent for future transfers and revenue-sharing contracts

Wisconsin has claimed that Miami tampered with defensive back Xavier Lucas, who elected to withdraw from the school and enroll at UM with an intention to play f

It is a precedent-setting battle. For years college programs have complained vaguely about the transfer portal, but few have called out specific institutions for tampering.

Wisconsin football is attempting to prevent Xavier Lucas from landing at Miami. Details emerge on a tampering accusation.

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.

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.

News of his move came on Friday. Yahoo’s Ross Dellenger was the first to report that Lucas was leaving for Miami without officially entering the transfer portal. Wisconsin had held the standout freshman cornerback out of the portal after he “signed a two-year revenue-share agreement” in early December, per Dellenger.

The University of Wisconsin announced Saturday that intends to pursue legal action after former safety Xavier Lucas skirted NCAA rules in order to