Giants have a major X-factor in the middle of their defense

John Harbaugh has been a busy guy this offseason. He has new digs in New York City. He's now heading up the New York Giants after being with the Baltimore Ravens for a whopping 18 seasons.He has tall tasks of trying to rebuild this team. They were 4-13 last season. So, yes, he has a big job, and he's been doing it.While the offense usually gets all the attention in football, or at least a lot of it, the defense is just as important. Now, Harbaugh has a defensive star who could break out and have a stellar season. That would go a long way to get this team to where it needs to be.DJ Reader could be a key piece for the GiantsBen Solak of ESPN has released a feature with the X-factor for each NFL team going into the new season. With the Giants, he says that this is a crucial year for defensive