Reversing my position on the 1972 Dolphins vs. 2005 Indy Colts

I have realized I have been perpetuating a myth fed to me by the mainstream media: that the 1972 Dolphins were truly Titans and their record is the material of myth. While an unblemished record is nothing to sneeze at, the 1972 Dolphins achieved that by facing opponents with a combined regular-season winning percentage of under .400. So far this season, if I did the math right, the Colts opponents have a total winning average of .424. Did I do the math right? I only counted the Texans and the Titans once, though the Colts have already faced them twice. In the four remaining games, FYI, the winning percentage of the Colts' opponents is as of right now .646. Maybe they are the for-real deal and deserve to knock out that record, but again, not for Manning's sake.