Rosternomics
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December 11, 2014

ANALAD

ANA won this trade +$62.4M surplus ANA won this trade +4.7 WAR
ANAANA Jerry Dipoto net +$62.4M net +4.7
received +$14.4M+$14.4M ± $18M expected surplus · +$56.8M realized received 2.3 ± 2 expected · 8.1 realized WAR
Playoff odds: this deal moved ANA's 2015 odds 7% → 6% (-1.1 pts) — how trade timing is graded ↗
receives — most valuable first
Andrew HeaneyP·24y·L/L
+$14.0M+$14.0M± $18M exp surplusrealized +$56.8M 2.3± 2 exp WARrealized 8.1
Prior
#9 overall draft pick → 0.77/yr
Evidence
recent form -1.4/yr over 0.2 season
Talent
0.42/yr blended
Horizon
5.5 control yrs
LADLAD Ned Colletti net −$62.4M net -4.7
received +$8.0M+$8.0M ± $11M expected surplus · −$5.6M realized received 2.6 ± 1 expected · 3.4 realized WAR
Playoff odds: this deal moved LAD's 2015 odds 82% → 85% (+2.6 pts) — how trade timing is graded ↗
receives — most valuable first
Howie Kendrick2B·31y·R/R
+$8.3M+$8.3M± $11M exp surplusrealized −$5.6M 2.6± 1 exp WARrealized 3.4
Prior
league baseline (track record outweighs draft pedigree) → 0.21/yr
Evidence
recent form 3.6/yr over 2.5 seasons
Talent
2.55/yr blended
Horizon
1.0 control yr

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.