Raiders pencil in Penn at left tackle

Daily Raiders blog for NBC Bay Area website: Former Buc Donald Penn believes he can protect Matt Schaub's blind side in 2014, even though he gave up 13.5 sacks in 2013. http://www.nbcbayarea.com/news/sports/Raiders-Believe-Penn-Can-Protect-Schaubs-Blind-Side-262710091.html