Rosternomics
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July 30, 2013 · 3-team trade

CHWDETBOS

CHW won this trade +$31.2M surplus CHW won this trade +4.3 WAR
CHWCHW Kenny Williams net +$31.2M net +4.3
received +$13.6M+$13.6M ± $34M expected surplus · +$20.8M realized received 4.8 ± 4 expected · 5.4 realized WAR
Playoff odds: this deal moved CHW's 2013 odds 1% → 1% (-0.1 pts) — how trade timing is graded ↗
receives — most valuable first
Avisaíl GarcíaOF·22y·R/R
+$10.0M+$10.0M± $18M exp surplusrealized +$20.0M 2.2± 2 exp WARrealized 5.2
Prior
Composite #74.0 pedigree (Baseball America #74 (2013)) → 0.41/yr
Evidence
recent form 0.3/yr over 0.2 season
Talent
0.40/yr blended
Horizon
5.5 control yrs
J. B. WendelkenP·20y·R/R
+$1.8M+$1.8M± $19M exp surplusrealized +$0.0M 1.2± 2 exp WARrealized 0.0
Prior
#421 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
Frankie MontasP·20y·R/R
+$1.8M+$1.8M± $19M exp surplusrealized +$0.8M 1.2± 2 exp WARrealized 0.2
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
Cleuluis Rondon
+$0.3M+$0.3M± $6M 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)
DETDET Dave Dombrowski net −$8.0M net +1.1
received −$3.2M−$3.2M ± $31M expected surplus · +$12.0M realized received 0.3 ± 4 expected · 6.3 realized WAR
Playoff odds: this deal moved DET's 2013 odds 95% → 95% (+0.2 pts) — how trade timing is graded ↗
receives — most valuable first
Jose IglesiasSS·23y·R/R
−$2.9M−$2.9M± $31M exp surplusrealized +$12.0M 0.3± 4 exp WARrealized 6.3
Prior
Composite #52.0 pedigree (Baseball America #52 (2011)) — fell off 2 lists since, regressed — at the league baseline → 0.21/yr
Evidence
recent form -0.9/yr over 0.2 season
Talent
0.05/yr blended
Horizon
5.5 control yrs
BOSBOS Ben Cherington net −$23.2M net -5.4
received +$37.6M+$37.6M ± $28M expected surplus · −$10.4M realized received 5.0 ± 4 expected · 1.1 realized WAR
Playoff odds: this deal moved BOS's 2013 odds 90% → 91% (+1 pts) — how trade timing is graded ↗
receives — most valuable first
Jake PeavyP·32y·R/R
+$30.2M+$30.2M± $11M exp surplusrealized −$10.4M 2.9± 1 exp WARrealized 1.1
Prior
league baseline (track record outweighs draft pedigree) → 0.21/yr
Evidence
recent form 4.4/yr over 2.3 seasons
Talent
2.92/yr blended
Horizon
1.0 control yr
Brayan VillarrealP·26y·R/R
+$7.3M+$7.3M± $26M exp surplusrealized +$0.0M 2.1± 3 exp WARrealized 0.0
Prior
no pedigree — league baseline → 0.21/yr
Evidence
recent form 0.6/yr over 1.3 season
Talent
0.42/yr blended
Horizon
5.0 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.