It's no coincidence that the all three ranked Big Ten teams are allowing 15 points per game or less. The Big Ten has traditionally been a conference built on tough defense and not making mistakes on offense. This year is no different with the success of Penn State, Iowa and Ohio State.
We know which teams are having the most success on that side of the ball, but which players are really making a difference?
Here are my picks for the Big Ten's defensive first team.