Rosternomics
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July 7, 1999

SEAPHI

SEA won this trade +$3.2M surplus SEA won this trade +0.4 WAR
SEASEA Woody Woodward net +$3.2M net +0.4
received +$1.6M+$1.6M ± $22M expected surplus · +$0.0M realized received 1.1 ± 3 expected · 0.0 realized WAR
Playoff odds: this deal moved SEA's 1999 odds 3% → 4% (+0.3 pts) — how trade timing is graded ↗
receives — most valuable first
Jose Flores2B·26y·R/R
+$1.3M+$1.3M± $22M exp surplusrealized +$0.0M 1.1± 3 exp WARrealized 0.0
Prior
#651 overall draft pick — at the league baseline → 0.21/yr
Evidence
no MLB track record — leans on pedigree
Talent
0.21/yr blended
Horizon
5.5 control yrs × 0.96 age decline
PHIPHI Ed Wade net −$3.2M net -0.4
received −$2.4M−$2.4M ± $18M expected surplus · −$3.2M realized received 0.0 ± 2 expected · -0.4 realized WAR
Playoff odds: this deal moved PHI's 1999 odds 9% → 8% (-0.8 pts) — how trade timing is graded ↗
receives — most valuable first
Domingo Cedeño2B/SS·30y·B/R
−$2.2M−$2.2M± $18M exp surplusrealized −$3.2M 0.0± 2 exp WARrealized -0.4
Prior
no pedigree — league baseline → 0.21/yr
Evidence
recent form -0.2/yr over 1.3 season
Talent
-0.01/yr blended
Horizon
3.0 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.