Rosternomics
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April 26, 1985

CINWSN

WSN won this trade +$3.2M surplus CIN won this trade +0.5 WAR
CINCIN Bill Bergesch net −$3.2M net +0.5
received −$0.8M−$0.8M ± $35M expected surplus · −$4.8M realized received 0.7 ± 4 expected · 0.4 realized WAR
Playoff odds: this deal moved CIN's 1985 odds 17% → 19% (+2.3 pts) — how trade timing is graded ↗
receives — most valuable first
Max VenableOF·28y·L/R
−$0.8M−$0.8M± $35M exp surplusrealized −$4.8M 0.7± 4 exp WARrealized 0.4
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 × 0.64 age decline
WSNWSN Murray Cook net +$3.2M net -0.5
received −$0.8M−$0.8M ± $35M expected surplus · −$1.6M realized received 0.7 ± 4 expected · -0.1 realized WAR
Playoff odds: this deal moved WSN's 1985 odds 26% → 23% (-2.9 pts) — how trade timing is graded ↗
receives — most valuable first
Skeeter Barnes1B/3B/OF·28y·R/R
−$0.8M−$0.8M± $35M exp surplusrealized −$1.6M 0.7± 4 exp WARrealized -0.1
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 × 0.64 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.