Continuing to focus on safety, the National Federation of State High School Assn. Football Rules Committee announced six changes on Friday. One of the changes expands the provision on unnecessary roughness to include contact with a defenseless player. The revised rule now reads, “No player or non-player shall make any contact with an opponent, including a defenseless player, which is deemed unnecessary or excessive and which incites roughness.” Bob Colgate, director of sports and sports medicine at the NFHS and editor of the NFHS football rules, noted that an example would be when a defensive player who is not in the vicinity of the ball is “blindsided”...