I'm of the belief that defensive TDs are somewhat lucky and somewhat random (no data to prove this, just a hunch). Obviously, the more turnovers the defense can create, the more chances they have at scoring a TD. However, given the small sample sizes, it seems dangerous to project what a Defense is going to do the rest of the year based on how many points they've scored so far. A metric I'm more comfortable looking at is purely Sacks. Sacks create turnovers and turnovers create defensive TD opportunities.Looking at the stats a little more closely shows that Tennessee only has 7 Sacks the entire season. I know that the Minnesota/Tennessee combo was widely touted here before the start of the season -- and that still seems like great value. But I'm wondering why so many people prefer the TN defense over the Seattle defense. I'm no expert at picking defenses, but one of the things I look for is how much pressure they get on the QB. A lot of turnovers can be created by an agressive, blitzing defense. Seattle currently has 16 sacks -- only 1 less than the Steelers, Bears, and Giants. From a total fantasy points perspective, they are still doing a little better than Tennessee, but TN has scored 3 defensive TDs. In other words, even with Tennessee's 3 defensive TDs, Seattle is still outscoring them (in my league). Of course I have not taken into account past opponents or upcoming schedules, but at face value, it appears that Seattle has a better chance to ourscore Tennessee over the rest of the season. And fyi, for the all important last 3 weeks of the season, here are their schedules:Week 14 TN vs. SD Sea vs. AZWeek 15 TN vs. KC Sea vs. CarWeek 16 TN vs. NYJ Sea vs. BalPretty comparable, but I prefer Seattle's schedule.