Roar Lions Radio is back on the air as we continue our previews of the 2019 Penn State football season. This week, Bill and Matt break down the 2019 Nittany Lion defense. You know, Yetur Gross-Matos, Micah Parsons, Garrett Taylor, and company? The guys are sky high on the potential for Brent Pry's unit, and you should be too! What good is the offseason if not for unbridled optimism?