Diaz dropped Sanchez in round two and the fight was stopped at 2:03 of round five when Diaz landed a big flurry of punches.
Diaz, 146 1/4 lbs of Cochella, CA is now 40-7 with twenty nine knockouts. Sanchez, 146 1/2 lbs of San Juan, PR is now 19-3.
Roger Gonzalez scored a ten round majority decision over Andrew Cancio in a Jr. Lightweight bout.
It was a close tough fight that could have gone either way but the veteran Gonzalez seemed to land the better punches.
Gonzalez, 127 3/4 lbs of Los Angeles, CA won by scores of 96-94 on two cards while a third card read 95-95. Gonzalez is now 28-6. Cancio, 127 1/2 lbs of Blyth, CA is 14-2-2.
Daniel Franco scored an explosive third round stoppage over Jesus Sandoval in a scheduled four round Jr. Lightweight bout.
Franco dropped Sandoval with a vicious two punch combination in round three and finished the fight by landing a handful hard flush shots and the fight was stopped at 2:51 of round three.
Franco, 129 1/2 lbs of Riverside, CA is now 4-0-1 with two knockouts. Sandoval of Sinaloa, MX is now 2-1-1.