Corpus Christi ISD athletes in grades 3-12 (7th grade and above is best) have the opportunity to attend a free football camp featuring former Dallas Cowboys wide receiver David Porter on August 1.The BamFam NFL camp will be held at Buccaneer Stadium from 9 a.m. to noon. Former DeSoto High School and TCU standout wide receiver David Porter, who made stints with the Colts, Cowboys and Broncos, will headline the event as this year's featured NFL al…