I found that very curious as well. Granted his metric, I believe, analyzes on a play-by-play basis, and when he went back and did retroactive rankings, I believe he had to alter his formula to just account for margin of victory. So for all I know it's just a different bill Connolly formula, that he slapped that tag on. But some of those retro rankings are so screwed up that they may not have been worth publishing