Rosternomics
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July 28, 2010

LADKCR

KCR won this trade +$1.6M surplus LAD won this trade +0.1 WAR
LADLAD Ned Colletti net −$1.6M net +0.1
received +$4.8M+$3.2M ± $12M expected surplus · −$4.8M realized received 1.2 ± 2 expected · -0.3 realized WAR
Playoff odds: this deal moved LAD's 2010 odds 7% → 7% (+0.3 pts) — how trade timing is graded ↗
receives — most valuable first
Scott PodsednikOF·34y·L/L
+$4.9M+$3.1M± $12M exp surplusrealized −$4.8M 1.2± 2 exp WARrealized -0.3
Prior
league baseline (track record outweighs draft pedigree) → 0.21/yr
Evidence
recent form 1.2/yr over 2.1 seasons
Talent
0.85/yr blended
Horizon
1.5 control yr × 0.90 age decline
KCRKCR Dayton Moore net +$1.6M net -0.1
received +$2.4M+$2.4M ± $22M expected surplus · −$3.2M realized received 1.4 ± 3 expected · -0.4 realized WAR
Playoff odds: this deal moved KCR's 2010 odds 1% → 1% (-0 pts) — how trade timing is graded ↗
receives — most valuable first
Lucas MayC·25y·R/R
+$1.8M+$1.8M± $22M exp surplusrealized −$3.2M 1.2± 3 exp WARrealized -0.4
Prior
#241 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
Elisaul Pimentel
+$0.3M+$0.3M± $7M exp surplusrealized +$0.0M 0.2± 1 exp WARrealized 0.0
Unidentified minor-league throw-in — valued at the ~0.2 WAR base rate (most produce nothing)

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.