Eagles' DeSean Jackson carted off with back injury

Philadelphia Eagles' DeSean Jackson looks on at the NFL football team's training camp at Lehigh University in Bethlehem, Pa., Friday, July 30, 2010. (AP Photo/Matt Rourke)

July 31, 2010 1:47:33 PM PDT
Philadelphia Eagles wide reciever DeSean Jackson has been carted off the field with a back injury during an afternoon practice at training camp.