Big Mike Purcell playing well at nose tackle for 49ers

Daily 49ers blog for NBC Bay Area website: Mike Purcell has been lost in the offseason discussion about the 49ers defensive line, but in the exhibition opener he shined. http://www.nbcbayarea.com/news/local/Purcell-Making-His-Presence-Felt-on-49ers-Defensive-Line-322166252.html