Some believe Reid's speed will upgrade 49ers' D

Daily 49ers blog for NBC Bay Area website: Safety Eric Reid's speed may be a key reason why 49ers valued him so highly. Some see his greater range as a way the team's pass defense may be better in 2013. http://www.nbcbayarea.com/news/sports/Reids-Speed-May-Give-49ers-an-Upgrade-on-Defense-213515001.html