Can 49ers' revamped kickoff unit corral Seahawks?

Daily 49ers blog for NBC Bay Area website: The Niners did much to improve their kickoff-coverage unit in the offseason. Now that group faces its first big test against the Seahawks. http://www.nbcbayarea.com/news/sports/49ers-Hoping-for-Special-Effort-on-Kickoff-Coverage-223479151.html