In a classic mismatch, the NFL-bound quarterback rolled out on third down, planted and threw downfield. Waiting for him, one hand in a cast, was a 5-foot-9, second-string defensive back who hadn’t played a full season of football in four years. That would be Eastern Washington’s McKenzie Murphy, who read the eyes of Southern Utah’s Brad Sorensen and made a big interception in last weekend’s game in Cedar City, Utah.