49ers Could linebacker issues nudge Niners to a 4-3?

[News Bot]

As the 49ers continue to explore their options for linebacker Aldon Smith, the possibility that he won’t be available for part or all of 2014 coupled with the likelihood linebacker NaVorro Bowman won’t be available for roughly half the season raises an interesting question. Should the 49ers switch from a 3-4 defense to a 4-3?…

Source: ProFootballTalk.com