Rosternomics
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August 6, 2016

TORSEA

TOR won this trade +$0.8M surplus TOR won this trade +0.2 WAR
TORTOR Mark Shapiro net +$0.8M net +0.2
received +$1.6M+$1.6M ± $18M expected surplus · +$0.0M realized received 1.2 ± 2 expected · 0.0 realized WAR
Playoff odds: this deal moved TOR's 2016 odds 43% → 44% (+1.2 pts) — how trade timing is graded ↗
receives — most valuable first
Tim LopesOF·22y·R/R
+$1.8M+$1.8M± $18M exp surplusrealized +$0.0M 1.2± 2 exp WARrealized 0.0
Prior
#191 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
SEASEA Jerry Dipoto net −$0.8M net -0.2
received −$1.6M−$1.6M ± $10M expected surplus · −$0.8M realized received 0.2 ± 1 expected · -0.2 realized WAR
Playoff odds: this deal moved SEA's 2016 odds 31% → 30% (-1.1 pts) — how trade timing is graded ↗
receives — most valuable first
Pat VenditteP·31y·L/S
−$1.9M−$1.9M± $10M exp surplusrealized −$0.8M 0.2± 1 exp WARrealized -0.2
Prior
#620 overall draft pick — at the league baseline → 0.21/yr
Evidence
recent form 0.2/yr over 0.9 season
Talent
0.19/yr blended
Horizon
3.9 control yrs × 0.31 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.