How to rank rookies before the NFL gives you a sample.
The hard part is not finding rookie upside. It is knowing when you are already paying for it. We start with the historical base rate, separate that from the fantasy price, then let current NFL role evidence earn any move away from market.
Historical outcomes cover the full drafted sample, including rookies who never scored a fantasy point. Current depth-chart information is shown as live context, not treated as an automatic ranking coefficient.
Where a player was selected tells us how often comparable rookies became immediate fantasy starters. It is a prior, not a projection.
A great prospect can still be a bad fantasy bet when the market price already assumes the breakout. We do not award the same information twice.
Starter reps, first-team targets, scoring-area work and other verified role evidence can move a rookie once the evidence clears the same gate we use elsewhere.
A rookie can be a great prospect and still be a bad pick at the wrong price. The goal is not to sound certain about players with no NFL sample. It is to know where the upside is cheap, what the market already assumes, and when the actual NFL opportunity has changed the bet.