Relying on stats though will get you in trouble. You can't rely on them. I would think that you should rely more on scouting data. If you want stats though, try to find insider stats. Profootballfocus has some great insider stats. They review every game, player, and snap throughout the year and find out how players do in situations. For your DTs you are so concerned about, they break down how well a DT did against the run. They even rate DE/OLBs different depending on the system they play in! Not a bad source, but I still prefer the scouting data we have, then simply convert those findings into ratings.