Rosternomics
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July 31, 2014

MINOAK

OAK won this trade +$3.2M surplus MIN won this trade +0.3 WAR
MINMIN Terry Ryan net −$3.2M net +0.3
received +$36.0M+$36.0M ± $35M expected surplus · +$1.6M realized received 5.3 ± 4 expected · 1.5 realized WAR
Playoff odds: this deal moved MIN's 2014 odds 10% → 7% (-2.4 pts) — how trade timing is graded ↗
receives — most valuable first
Tommy MiloneP·27y·L/L
+$36.2M+$36.2M± $35M exp surplusrealized +$1.6M 5.3± 4 exp WARrealized 1.5
Prior
#301 overall draft pick — at the league baseline → 0.21/yr
Evidence
recent form 2.1/yr over 1.7 season
Talent
1.31/yr blended
Horizon
4.0 control yrs
OAKOAK Billy Beane net +$3.2M net -0.3
received +$0.8M+$0.8M ± $10M expected surplus · +$4.8M realized received 0.5 ± 1 expected · 1.2 realized WAR
Playoff odds: this deal moved OAK's 2014 odds 30% → 37% (+6.8 pts) — how trade timing is graded ↗
receives — most valuable first
Sam FuldOF·32y·L/L
+$1.1M+$1.1M± $10M exp surplusrealized +$4.8M 0.5± 1 exp WARrealized 1.2
Prior
league baseline (track record outweighs draft pedigree) → 0.21/yr
Evidence
recent form 0.4/yr over 1.4 season
Talent
0.32/yr blended
Horizon
3.0 control yrs × 0.48 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.