"Cornerback Chris Houston, as he always does, took on All-Pro receiver Calvin Johnson at the line of scrimmage during one of the Lions' team periods Saturday. After a brief bump at the line, he sprinted step-for-step with Johnson and, turning at the last second, broke up a 40-yard pass attempt. It was his last rep of the day. Houston walked to the trainers holding his right hamstring. He was immediately iced and wrapped and shut down for the day." Read more: http://www.detroitnews.com/article/...notebook-Soreness-lingers-safety-Louis-Delmas
