Boxingtalk has been informed that the WBA will order lightweight champion Juan Diaz to make his mandatory defense against Prawet Singwancha. A purse-bid is expected to be held on April 2. As you know, Diaz is scheduled to face WBO lightweight champion Acelino Freitas on April 28, unfortunately for boxing fans, Diaz's mandatory will likely prevent Freitas-Diaz from being the unification bout we were expecting. (2:24 PM EST)