Illness has knocked E.J. Chavez from his scheduled RFA 38 lightweight title bout with champion Thiago Moises . Filling the void left by Chavez’s departure is Jamall Emmers. RFA informed MMAjunkie of the changes, along with more info on the complete card. RFA 38 takes place June 3 at The Hangar at the OC Fair & Event Center in Costa Mesa, Calif. The main card airs on AXS TV