Commish from Fantasy Smarts takes a look at the top 5 fantasy football defense in 2011. With teams like the Packers and Steelers coming off a Superbowl appearance, they’ll be looking to step up once again and be the top defense teams in 2011, but teams like the Eagles and Patriots ready to take over. It’s going to be a defensive year. Who do you think are the top 5 fantasy football defense in 2011?