Rosternomics
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December 16, 2004

ATLKCR

ATL won this trade +$11.2M surplus ATL won this trade +1.0 WAR
ATLATL John Schuerholz net +$11.2M net +1.0
received +$0.0M+$0.0M ± $30M expected surplus · −$1.6M realized received 0.9 ± 4 expected · -0.1 realized WAR
Playoff odds: this deal moved ATL's 2005 odds 59% → 65% (+5.1 pts) — how trade timing is graded ↗
receives — most valuable first
Jorge VásquezP·26y·R/R
+$0.2M+$0.2M± $30M exp surplusrealized −$1.6M 0.9± 4 exp WARrealized -0.1
Prior
no pedigree — league baseline → 0.21/yr
Evidence
recent form -0.3/yr over 0.1 season
Talent
0.18/yr blended
Horizon
5.5 control yrs × 0.93 age decline
KCRKCR Allard Baird net −$11.2M net -1.0
received +$4.8M+$4.0M ± $14M expected surplus · −$12.8M realized received 1.8 ± 2 expected · -1.1 realized WAR
Playoff odds: this deal moved KCR's 2005 odds 0% → 0% (-0 pts) — how trade timing is graded ↗
receives — most valuable first
Eli MarreroC/OF·31y·R/R
+$4.9M+$4.2M± $14M exp surplusrealized −$12.8M 1.8± 2 exp WARrealized -1.1
Prior
league baseline (track record outweighs draft pedigree) → 0.21/yr
Evidence
recent form 2.1/yr over 1.5 season
Talent
1.26/yr blended
Horizon
1.5 control yr × 0.96 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.