BoxingScene.com has been advised that super featherweight contender Diego Magdaleno (23-1, 9KOs) signed a managerial agreement with Frank Espinoza. Magdaleno recently traveled to Macau and and lost a close twelve round split decision to WBO super featherweight champion Roman "Rocky" Martinez. Espinoza manages Abner Mares, Oscar Valdez, Daniel Ponce De Leon, Vic Darchinyan and several others,