2012 U.S. Olympian Joseph Diaz Jr. added to the Mauricio Herrera vs. Hank Lundy undercard from the L.A. Memorial Sports Arena on July 11

LOS ANGELES (June 11) - After a standout performance on the May 9 Canelo-Kirkland undercard, former 2012 U.S. Olympian Joseph Diaz Jr. returns to the ring on July 11 in a 10-round featherweight on the