From nfl.com: The old adage is that defense wins championships. A trend that has permeated into the NFL in recent years, as evidenced by the most recent Super Bowl champions. Nine of the last 12 Super Bowl winners have featured a top-10 defense. This year figures to be no different. NFL.com will spotlight three defensive difference-makers each week, looking at players who can change a game with just one play. Titans safety Michael Griffin, linebacker James Harrison and defensive end Mario Williams are players to watch in Week 7. Rest of article: http://www.nfl.com/news/story?id=09000d5d80bb0a2b&template=without-video&confirm=true
