Rosternomics
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February 12, 2021

OAKLAD

OAK won this trade +$0.8M surplus OAK won this trade +0.0 WAR
OAKOAK Billy Beane net +$0.8M net +0.0
received +$1.6M+$1.6M ± $20M expected surplus · −$1.6M realized received 1.6 ± 2 expected · -0.3 realized WAR
Playoff odds: this deal moved OAK's 2021 odds 32% → 32% (+0.9 pts) — how trade timing is graded ↗
receives — most valuable first
Cody ThomasOF·26y·L/R
+$1.3M+$1.3M± $19M exp surplusrealized +$0.0M 1.1± 2 exp WARrealized -0.0
Prior
#401 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 × 0.96 age decline
Adam KolarekP·32y·L/L
+$0.5M+$0.5M± $6M exp surplusrealized −$1.6M 0.5± 1 exp WARrealized -0.3
Prior
league baseline (track record outweighs draft pedigree) → 0.21/yr
Evidence
recent form 0.4/yr over 1.9 season
Talent
0.32/yr blended
Horizon
3.3 control yrs × 0.44 age decline
LADLAD Andrew Friedman net −$0.8M net +0.0
received +$3.2M+$3.2M ± $27M expected surplus · −$2.4M realized received 2.3 ± 3 expected · -0.3 realized WAR
Playoff odds: this deal moved LAD's 2021 odds 97% → 97% (-0.1 pts) — how trade timing is graded ↗
receives — most valuable first
Gus VarlandP·24y·L/R
+$1.8M+$1.8M± $20M exp surplusrealized +$0.0M 1.2± 2 exp WARrealized 0.1
Prior
#413 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
Sheldon Neuse2B/3B·26y·R/R
+$1.3M+$1.3M± $18M exp surplusrealized −$2.4M 1.1± 2 exp WARrealized -0.4
Prior
#58 overall draft pick — at the league baseline → 0.21/yr
Evidence
recent form 0.2/yr over 0.1 season
Talent
0.21/yr blended
Horizon
5.5 control yrs × 0.96 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.