Rosternomics
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July 31, 2015

TORSEA

TOR won this trade +$0.0M surplus TOR won this trade +0.1 WAR
TORTOR Alex Anthopoulos net +$0.0M net +0.1
received +$0.0M+$0.0M ± $7M expected surplus · +$0.0M realized received 0.0 ± 1 expected · 0.1 realized WAR
Playoff odds: this deal moved TOR's 2015 odds 89% → 89% (+0.4 pts) — how trade timing is graded ↗
receives — most valuable first
Mark LoweP·32y·L/R
−$0.2M−$0.2M± $7M exp surplusrealized +$0.0M 0.0± 1 exp WARrealized 0.1
Prior
league baseline (track record outweighs draft pedigree) → 0.21/yr
Evidence
recent form -0.1/yr over 1.5 season
Talent
0.02/yr blended
Horizon
1.0 control yr
SEASEA Jeff Kingston net +$0.0M net -0.1
received +$3.2M+$3.2M ± $39M expected surplus · +$0.0M realized received 3.2 ± 5 expected · 0.0 realized WAR
Playoff odds: this deal moved SEA's 2015 odds 3% → 3% (-0.1 pts) — how trade timing is graded ↗
receives — most valuable first
Nick WellsP·19y·L/L
+$2.3M+$2.3M± $21M exp surplusrealized +$0.0M 1.3± 3 exp WARrealized 0.0
Prior
#83 overall draft pick — at the league baseline → 0.21/yr
Evidence
no MLB track record — leans on pedigree
Talent
0.21/yr blended
Horizon
6.0 control yrs
Jake BrentzP·20y·L/L
+$1.8M+$1.8M± $19M exp surplusrealized +$0.0M 1.2± 2 exp WARrealized 0.0
Prior
#325 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
Rob RasmussenP·26y·R/L
−$0.8M−$0.8M± $27M exp surplusrealized +$0.0M 0.7± 3 exp WARrealized -0.0
Prior
#73 overall draft pick — at the league baseline → 0.21/yr
Evidence
recent form -0.1/yr over 0.3 season
Talent
0.14/yr blended
Horizon
5.5 control yrs × 0.91 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.