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November 6, 2009

KCR⇄CHW

KCR won this trade +$10.4M surplus KCR won this trade +2.2 WAR
KCRKCR Dayton Moore net +$10.4M net +2.2
received +$5.6M+$5.6M ± $32M expected surplus · −$1.6M realized received 2.8 ± 4 expected · 0.8 realized WAR
Playoff odds: this deal moved KCR's 2010 odds 0% → 1% (+0.1 pts) — how trade timing is graded ↗
receives — most valuable first
Chris Getz2B·26y·L/R
+$8.1M+$8.1M± $27M exp surplusrealized −$1.6M 2.8± 3 exp WARrealized 0.7
Prior
league baseline (track record outweighs draft pedigree) → 0.21/yr
Evidence
recent form 1.1/yr over 0.8 season
Talent
0.55/yr blended
Horizon
5.0 control yrs
Josh Fields3B·27y·R/R
−$2.2M−$2.2M± $18M exp surplusrealized +$0.0M 0.0± 2 exp WARrealized 0.1
Prior
no pedigree — league baseline → 0.21/yr
Evidence
recent form -0.7/yr over 0.9 season
Talent
-0.18/yr blended
Horizon
3.0 control yrs
CHWCHW Kenny Williams net −$10.4M net -2.2
received −$1.6M−$1.6M ± $8M expected surplus · −$12.0M realized received 0.5 ± 1 expected · -1.4 realized WAR
Playoff odds: this deal moved CHW's 2010 odds 45% → 40% (-5.4 pts) — how trade timing is graded ↗
receives — most valuable first
Mark Teahen3B/OF·28y·L/R
−$1.5M−$1.5M± $8M exp surplusrealized −$12.0M 0.5± 1 exp WARrealized -1.4
Prior
league baseline (track record outweighs draft pedigree) → 0.21/yr
Evidence
recent form 0.4/yr over 2.4 seasons
Talent
0.36/yr blended
Horizon
1.5 control yr

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.

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Decision-maker records extend to 1933; resource-controlled WAR and payroll metrics cover 1985–2026. Data sources include FanGraphs, Baseball-Reference, the Chadwick Bureau register, the Lahman Database, prospect rankings from Baseball America, MLB Pipeline, and FanGraphs, and public payroll records. Transaction and trade data was obtained free of charge from and is copyrighted by Retrosheet. Executive birth/death data via Wikidata (CC0).
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