The overall deciding factor in most teams' minds when drafting in the top half of the first round is this. Are we going to be paying a guy, who possibly fits our needs, possibly not, top ten money if he doesn't belong in the top ten. You need to make sure that when you pay a guy 30 million dollars for what he did in college that it better translate into the NFL day1 of the next season. These guys need to be ready to go. Therefore CJ Spiller, a playmaker, and will end up contributing from day one.