Rosternomics
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December 26, 1995

BALCIN

BAL won this trade +$42.4M surplus BAL won this trade +3.7 WAR
BALBAL Roland Hemond net +$42.4M net +3.7
received +$22.4M+$6.4M ± $22M expected surplus · +$39.2M realized received 3.1 ± 3 expected · 3.4 realized WAR
Playoff odds: this deal moved BAL's 1996 odds 16% → 34% (+17.9 pts) — how trade timing is graded ↗
receives — most valuable first
David WellsP·33y·L/L
+$22.6M+$6.2M± $22M exp surplusrealized +$39.2M 3.1± 3 exp WARrealized 3.4
Prior
no pedigree — league baseline → 0.21/yr
Evidence
recent form 3.1/yr over 2.4 seasons
Talent
2.12/yr blended
Horizon
1.5 control yr × 0.97 age decline
CINCIN Jim Bowden net −$42.4M net -3.7
received +$12.0M+$12.0M ± $46M expected surplus · −$3.2M realized received 3.4 ± 6 expected · -0.3 realized WAR
Playoff odds: this deal moved CIN's 1996 odds 10% → 4% (-6 pts) — how trade timing is graded ↗
receives — most valuable first
Curtis GoodwinOF·23y·L/L
+$10.0M+$10.0M± $35M exp surplusrealized −$3.2M 2.1± 4 exp WARrealized -0.3
Prior
Composite #68.0 pedigree (Baseball America #68 (1995)) — fell off 1 list since, regressed → 0.24/yr
Evidence
recent form 0.8/yr over 0.6 season
Talent
0.41/yr blended
Horizon
5.0 control yrs
Trovin ValdezOF·22y·R/R
+$2.3M+$2.3M± $30M exp surplusrealized +$0.0M 1.3± 4 exp WARrealized 0.0
Prior
#763 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

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.