Replacing Spikes in San Diego

There are two sides to the news of the release of any football player: first, we must analyze where he might land; second, we must project what his old team will do to replace him. In the case of the San Diego Chargers' release of veteran LB Takeo Spikes, there's already been speculation that he could land with the Washington Redskins, but what will the Bolts do to fill his spot on their roster?