Entering the season, it was hard to envision exactly where rookie second round pick Mario Edwards Jr was going to fit into the Raiders' defense and therefore how much of an impact he would have early on. His impact and his role may have just been decided for him.
Wednesday morning, reports revealed veteran defensive end Justin Tuck will need surgery on a torn pectoral muscle and will be placed on injured reserve for the remainder of the season. And it's Mario Edwards who will be asked to step up and take over at DE.