Rosternomics
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February 19, 2012

PITNYY

PIT won this trade +$110.4M surplus PIT won this trade +9.2 WAR
PITPIT Neal Huntington net +$110.4M net +9.2
received +$2.4M+$2.4M ± $11M expected surplus · +$110.4M realized received 1.4 ± 1 expected · 9.2 realized WAR
Playoff odds: this deal moved PIT's 2012 odds 1% → 2% (+0.8 pts) — how trade timing is graded ↗
receives — most valuable first
A. J. BurnettP·35y·R/R
+$2.8M+$2.8M± $11M exp surplusrealized +$110.4M 1.4± 1 exp WARrealized 9.2
Prior
league baseline (track record outweighs draft pedigree) → 0.21/yr
Evidence
recent form 2.0/yr over 2.7 seasons
Talent
1.42/yr blended
Horizon
1.0 control yr
NYYNYY Brian Cashman net −$110.4M net -9.2
received +$2.4M+$2.4M ± $22M expected surplus · +$0.0M realized received 1.4 ± 3 expected · 0.0 realized WAR
Playoff odds: this deal moved NYY's 2012 odds 95% → 89% (-5.1 pts) — how trade timing is graded ↗
receives — most valuable first
Diego MorenoP·24y·R/R
+$1.8M+$1.8M± $22M exp surplusrealized +$0.0M 1.2± 3 exp WARrealized 0.0
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
Exicardo Cayones
+$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)

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.