Why is it so hard to predict the Heisman Trophy winner — and can it be done?

- Heisman Trophy: 2 events in the last 90 days
- Previous: 1 days earlier · Heisman Trophy odds: CJ Carr starts season as favorite ahead of Arch Manning
What happened
Fernando Mendoza and Travis Hunter were both preseason long shots to win the Heisman. Is there any science to identifying them?
Summary assembled by rule from the sources below