Rosternomics
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August 27, 2005

CHCNYY

CHC won this trade +$16.8M surplus CHC won this trade +0.4 WAR
CHCCHC Jim Hendry net +$16.8M net +0.4
received +$1.6M+$1.6M ± $21M expected surplus · −$4.0M realized received 1.2 ± 3 expected · -0.3 realized WAR
Playoff odds: this deal moved CHC's 2005 odds 21% → 24% (+3 pts) — how trade timing is graded ↗
receives — most valuable first
Justin BergP·21y·R/R
+$1.8M+$1.8M± $21M exp surplusrealized −$4.0M 1.2± 3 exp WARrealized -0.3
Prior
#1290 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
NYYNYY Brian Cashman net −$16.8M net -0.4
received −$9.6M−$10.4M ± $14M expected surplus · −$20.8M realized received 1.1 ± 2 expected · -0.7 realized WAR
Playoff odds: this deal moved NYY's 2005 odds 13% → 11% (-1.9 pts) — how trade timing is graded ↗
receives — most valuable first
Matt LawtonOF·33y·L/R
−$9.8M−$10.6M± $14M exp surplusrealized −$20.8M 1.1± 2 exp WARrealized -0.7
Prior
league baseline (track record outweighs draft pedigree) → 0.21/yr
Evidence
recent form 1.1/yr over 2.4 seasons
Talent
0.84/yr blended
Horizon
1.5 control yr × 0.91 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.