By Mark Luketic   Highly touted 130 lbs. Erick De Leon (15-0, 9 KOs) scored a fourth round knockout over Jose Salinas (10-3-1, 5 KOs) on Friday night at the famed Sportsmen’s Lodge in Studio City, California. De Leon stopped Salinas with a brutal body shot. Welterweight Arnold Barboza Jr. (15-0,