How Will Chuck Bresnahan Impact the Oakland Raiders Defense?

Several factors contribute to make a good football team great. It's one thing to have a group of great players, but it's another thing when you can get all of the components of your team to work together well.

This is often referred to as "chemistry." Defensive coordinator Chuck Bresnahan could be the piece that the Raiders coaching staff needs to help the Raiders improve their chemistry and rank amongst the NFL elite.