Rosternomics
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March 21, 2003

BALCOL

BAL won this trade +$0.8M surplus BAL won this trade +0.2 WAR
BALBAL Jim Beattie net +$0.8M net +0.2
received −$4.8M−$4.8M ± $30M expected surplus · −$0.8M realized received 0.0 ± 4 expected · 0.1 realized WAR
Playoff odds: this deal moved BAL's 2003 odds 3% → 4% (+0.2 pts) — how trade timing is graded ↗
receives — most valuable first
Jack CustDH/OF·24y·L/R
−$4.5M−$4.5M± $30M exp surplusrealized −$0.8M 0.0± 4 exp WARrealized 0.1
Prior
Composite #100.0 pedigree (Baseball America #100 (2002)) — fell off 1 list since, regressed → 0.23/yr
Evidence
recent form -2.1/yr over 0.2 season
Talent
-0.18/yr blended
Horizon
5.5 control yrs
COLCOL Daniel O'Dowd net −$0.8M net -0.2
received +$7.2M+$7.2M ± $23M expected surplus · −$1.6M realized received 1.8 ± 3 expected · -0.1 realized WAR
Playoff odds: this deal moved COL's 2003 odds 2% → 2% (-0.2 pts) — how trade timing is graded ↗
receives — most valuable first
Chris Richard1B/OF·29y·L/L
+$7.0M+$7.0M± $23M exp surplusrealized −$1.6M 1.8± 3 exp WARrealized -0.1
Prior
league baseline (track record outweighs draft pedigree) → 0.21/yr
Evidence
recent form 0.9/yr over 1.1 season
Talent
0.53/yr blended
Horizon
4.0 control yrs × 0.84 age decline

Each player is valued on what he was expected to produce at the time of the trade, versus what he actually produced for his new team.

Expected WAR blends a player's pedigree (composite top-100 rank / draft slot, or a baseline) with his recent track record, projected over the years of team control acquired. The ± figure is a historically calibrated predictive standard deviation, measuring how widely comparable forecasts have missed around their expected value. Surplus values that production at the FA market price of a win (~$8M/WAR) minus salary — so cost-controlled players carry large surplus and expensive ones little, even at the same WAR. Who won is descriptive, not a skill claim: ~99% of a trade's outcome is unforeseeable at the time.