Duke has filed a lawsuit against Blue Devils quarterback Darian Mensah, arguing Mensah broke his contract by trying to enter the transfer portal and that he must stay with the Blue Devils to finish the arbitration process. The suit, filed in Durham Superior Court, comes a few days after Mensah announced his intention to enter the transfer portal just hours ahead of the NCAA's transfer portal entry deadline. In a 44-page document filed Tuesday morning, Duke argues that Mensah should not be allowed to enter the portal so the two sides can enter and engage in the previously agreed upon arbitration the two sides agreed to settle disputes. Said Duke in its filing: "Contracts mean something....