One advanced stat for each Penn State defensive position group we're following

The Penn State defense has been so good that they’ve barely seen the field in three of the four games this season. Whether it’s forcing five turnovers against Illinois or allowing only 33 plays against Iowa, the Nittany Lion’s defense has been suffocating. Before the season, we picked out one advanced stat to track this season for each position group. Let’s find out if we got the right units of measurement for the team dominance.