The tight clustering of implied probabilities around 40-50% for dozens of running backs reflects the inherent volatility of projecting a single Week 1 PPR leader. No back enters with a dominant edge, as outcomes hinge on final usage splits, game scripts, and defensive matchups rather than season-long talent. Recent training camp and preseason developments have kept the field wide open, including ankle concerns for players like TreVeyon Henderson, committee risks in backfields such as the Giants and Seahawks, and shifted roles like Jahmyr Gibbs assuming a larger share in Detroit. PPR scoring amplifies the value of receiving work for backs such as De'Von Achane, Bijan Robinson, and Chase Brown, yet weather, early-season rust, and potential in-game adjustments create parity that traders have priced accordingly.