Kirk Herbstreit was no fan of Oklahoma defensive tackle Da’Jon Terry appearing to fake an injury early in Saturday night’s game between the 15th-ranked Sooners and No. 6 Tennessee. Terry went down grabbing his leg after Bru McCoy caught a 40-yard from Nico Iamaleava. Terry jogged down the field before going down, with Herbstreit saying on the ABC broadcast that he looked to the Oklahoma sideline before hitting the turf. “They look over after a big play,” Herbstreit said, “he looks over and just goes down. It’s not necessarily against the rules but it is unethical as hell. You see it all over a…