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July 19, 2011

HOU⇄SFG

HOU won this trade +$6.4M surplus HOU won this trade +0.7 WAR
HOUHOU David Gottfried net +$6.4M net +0.7
received +$4.0M+$4.0M ± $33M expected surplus · +$0.0M realized received 2.5 ± 4 expected · 0.2 realized WAR
Playoff odds: this deal moved HOU's 2011 odds 0% → 0% (+0.1 pts) — how trade timing is graded ↗
receives — most valuable first
Jason StoffelP·22y·R/R
+$2.3M+$2.3M± $24M exp surplusrealized +$0.0M 1.3± 3 exp WARrealized 0.0
Prior
#117 overall draft pick — at the league baseline → 0.21/yr
Evidence
no MLB track record — leans on pedigree
Talent
0.21/yr blended
Horizon
6.0 control yrs
Henry SosaP·25y·R/R
+$1.8M+$1.8M± $22M exp surplusrealized +$0.0M 1.2± 3 exp WARrealized 0.2
Prior
no pedigree — league baseline → 0.21/yr
Evidence
no MLB track record — leans on pedigree
Talent
0.21/yr blended
Horizon
5.5 control yrs
SFGSFG Brian Sabean net −$6.4M net -0.7
received +$2.4M+$2.4M ± $16M expected surplus · −$6.4M realized received 1.1 ± 2 expected · -0.5 realized WAR
Playoff odds: this deal moved SFG's 2011 odds 22% → 20% (-2.3 pts) — how trade timing is graded ↗
receives — most valuable first
Jeff Keppinger2B·31y·R/R
+$2.8M+$2.8M± $16M exp surplusrealized −$6.4M 1.1± 2 exp WARrealized -0.5
Prior
league baseline (track record outweighs draft pedigree) → 0.21/yr
Evidence
recent form 0.9/yr over 1.9 season
Talent
0.62/yr blended
Horizon
2.0 control yrs × 0.89 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.

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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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