Rosternomics
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August 1, 2016

SFGMIL

SFG won this trade +$16.8M surplus SFG won this trade +4.3 WAR
SFGSFG Bobby Evans net +$16.8M net +4.3
received +$10.4M+$10.4M ± $28M expected surplus · +$14.4M realized received 2.8 ± 4 expected · 4.0 realized WAR
Playoff odds: this deal moved SFG's 2016 odds 27% → 30% (+2.7 pts) — how trade timing is graded ↗
receives — most valuable first
Will SmithP·26y·R/L
+$10.6M+$10.6M± $28M exp surplusrealized +$14.4M 2.8± 4 exp WARrealized 4.0
Prior
league baseline (track record outweighs draft pedigree) → 0.21/yr
Evidence
recent form 1.0/yr over 2.1 seasons
Talent
0.70/yr blended
Horizon
4.0 control yrs
MILMIL David Stearns net −$16.8M net -4.3
received +$21.6M+$21.6M ± $51M expected surplus · −$2.4M realized received 6.7 ± 6 expected · -0.3 realized WAR
Playoff odds: this deal moved MIL's 2016 odds 4% → 3% (-0.5 pts) — how trade timing is graded ↗
receives — most valuable first
Phil BickfordP·20y·R/R
+$14.9M+$14.9M± $43M exp surplusrealized −$0.8M 4.0± 5 exp WARrealized -0.1
Prior
#10 overall draft pick → 0.73/yr
Evidence
no MLB track record — leans on pedigree
Talent
0.73/yr blended
Horizon
5.5 control yrs
Andrew SusacC·26y·R/R
+$6.9M+$6.9M± $28M exp surplusrealized −$1.6M 2.7± 4 exp WARrealized -0.2
Prior
Composite #88.0 pedigree (Baseball America #88 (2015)) — fell off 1 list since, regressed → 0.22/yr
Evidence
recent form 1.2/yr over 0.6 season
Talent
0.53/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.