Is 49ers' Foster just a hit away from an injury?

Daily 49ers blog for NBC Bay Area website: Just-drafted linebacker Reuben Foster may need another surgery, sources tell one reporter. Yet the 49ers are confident he's totally fit for play. http://www.nbcbayarea.com/news/sports/Niners-Confident-Fosters-Injury-is-Behind-Him-421314223.html