Sources close to the situation have informed Boxingtalk that once beaten prospect Luis Collazo will replace the ill Thomas Damgaard and face WBA regular welterweight champ Jose Antonio Rivera in his backyard on April 2. Collazo's lone loss came at the hands of Roque Cassiani. Rivera-Collazo will not be televised by Showtime. Showtime's Senior VP of programming Ken Hershman informs Boxingtalk that Braithwaite-Mormeck is the only fight was being aired due to the NCAA Final Four.