A key position group adds some much needed talent. You won’t find a position group on the Louisville Football team that will get more attention this year than the defensive line. Quarterbacks make the headlines and skill position players make the highlights. But, the big guys up front are the guys that win the games and UofL hasn’t been all that great up front on defense. The group showed improvement last season but if the defense is to take a step forward this season, this group will be key. Let’s start in the middle where the defense has struggled the…