A development plan is a bet on two things at once.
The hitter and pitcher aging curves banded, with the organization as a real term in the bet.
The hitter aging curve and the old-player-skills read.
Development is a banded curve, not a line. The engine projects an upside and a downside scenario around a midpoint, each at its own confidence, because the future is a range and printing a single line would be a lie of precision. And the shape of the curve is set by what the value rides, because skills do not age at the same rate.
Two KR-equal 27-year-olds, and two very different bets. The engine reads the same 82.0 and projects a steep, risky curve for the athlete whose value rides speed and range, and a gentle one for the hitter whose value rides discipline and power, because the decay order is not a footnote, it is the shape of the future. The same present number is not the same future. What the value rides sets the curve.
Illustrative engine read on the real position-specific aging model and the old-player-skills decay order (speed and defense first, contact next, discipline and power last), each curve a band with upside, midpoint, and downside at a stated confidence. Composite hitters, demonstration figures.
The pitcher injury and workload model, the widest band in the sport.
The pitcher curve is dominated by the injury and Tommy John risk read, and this term is multiplicative, not additive. It does not shave a few points off a projection, it can collapse it. So a durability flag does not lower the midpoint, it widens the entire band and pulls the downside out from under him.
The clean arm and the flagged arm start at the same 88.0. The engine refuses to price them the same, not by moving the midpoint, but by widening the band, because that is what a durability flag actually does to the future. The arm is the widest band in the sport, so the pitcher's band is the widest the engine draws.
Illustrative engine read on the real pitcher injury and workload model (the Tommy John and durability term as a multiplicative band-widener, not a midpoint shaver, at its own confidence). Composite pitchers, demonstration figures. Injury framing is clinical and non-graphic.
The organization as developer, the institutional residual.
The same prospect, run through two organizations, produces two different development odds, because player-development competence is a real, separable term and a property of the organization, not the player. It varies more in baseball than in any sport, so the institutional bet is load-bearing.
Identical prospect, identical present KR, two organizations, two futures. The pitching-development machine lifts the projected outcome and tightens the band; the org that breaks arms does the opposite, and the residual that separates them is the institutional bet, priced out loud. A machine and a meat grinder are not the same bet, so the engine never prices them as one.
Illustrative engine read on the real Organization Intelligence residual (player-development competence as a separable org term that lifts or lowers the projected outcome and tightens or widens the band). Composite prospect and organizations, demonstration figures.
The curve is banded because the future is, and the engine prices all three terms and refuses to collapse them into one comfortable line.
Price the future. Band and all.
Development gives you a banded curve instead of a false line, a pitcher's arm carried as the widest band in the sport, and the organization priced as its own separable bet, so you know which of the three you are actually making.