49ers' defense gets boost with addition of Spikes

The San Francisco 49ers signed inside linebacker Takeo Spikes, formerly of the Cincinnati Bengals, Buffalo Bills and Philadelphia Eagles. To make room for the signing, the team also released LB Brandon Moore. Spikes has lost a step over the years, but playing inside linebacker in Mike Nolan's 3-4 defense doesn't require sideline-to-sideline ability. This move solidifies the run defense a bit, but the question remains if whether or not the 49ers will get enough of a pass rush from their front seven. Either way, Spikes is a terrific leader and it brings a lot of experience to San Fran's defense. (Read rest of article after the jump)