Rosternomics
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August 9, 2010

CINMIL

CIN won this trade +$0.0M surplus CIN won this trade +0.1 WAR
CINCIN Walt Jocketty net +$0.0M net +0.1
received −$1.6M−$1.6M ± $0M expected surplus · −$1.6M realized received 0.0 ± 0 expected · 0.0 realized WAR
Playoff odds: this deal moved CIN's 2010 odds 82% → 83% (+0.3 pts) — how trade timing is graded ↗
receives — most valuable first
Jim EdmondsOF·40y·L/L
−$1.6M−$1.6M± $0M exp surplusrealized −$1.6M 0.0± 0 exp WARrealized -0.0
Prior
league baseline (track record outweighs draft pedigree) → 0.21/yr
Evidence
recent form 2.8/yr over 1.5 season
Talent
1.65/yr blended
Horizon
0.0 control yr
MILMIL Douglas Melvin net +$0.0M net -0.1
received +$37.6M+$37.6M ± $49M expected surplus · −$1.6M realized received 6.8 ± 6 expected · -0.1 realized WAR
Playoff odds: this deal moved MIL's 2010 odds 27% → 27% (-0.4 pts) — how trade timing is graded ↗
receives — most valuable first
Chris DickersonOF·28y·L/L
+$37.8M+$37.8M± $49M exp surplusrealized −$1.6M 6.8± 6 exp WARrealized -0.1
Prior
league baseline (track record outweighs draft pedigree) → 0.21/yr
Evidence
recent form 3.3/yr over 0.8 season
Talent
1.42/yr blended
Horizon
5.0 control yrs × 0.95 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.