Boxingtalk has been informed that WBC lightweight champion David Diaz will be trained by world class trainer Kevin Cunningham, who is best known for his outstanding work with IBF junior middleweight champion Cory "The Next Generation" Spinks.  Diaz will arrive in St. Louis in early July for his August 4 showdown with future hall of famer Erik "El Terrible" Morales. (12:33 PM EST)