Rosternomics
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July 31, 2019

TORHOU

TOR won this trade +$5.6M surplus TOR won this trade +0.4 WAR
TORTOR Mark Shapiro net +$5.6M net +0.4
received −$3.2M−$3.2M ± $26M expected surplus · −$2.4M realized received 0.2 ± 3 expected · -0.4 realized WAR
Playoff odds: this deal moved TOR's 2019 odds 1% → 1% (+0.1 pts) — how trade timing is graded ↗
receives — most valuable first
Derek FisherOF·25y·L/R
−$3.4M−$3.4M± $26M exp surplusrealized −$2.4M 0.2± 3 exp WARrealized -0.4
Prior
#37 overall draft pick → 0.24/yr
Evidence
recent form -0.5/yr over 0.5 season
Talent
0.03/yr blended
Horizon
5.5 control yrs
HOUHOU Jeff Luhnow net −$5.6M net -0.4
received +$14.4M+$14.4M ± $29M expected surplus · −$8.0M realized received 3.7 ± 4 expected · -0.8 realized WAR
Playoff odds: this deal moved HOU's 2019 odds 100% → 100% (-0 pts) — how trade timing is graded ↗
receives — most valuable first
Aaron SanchezP·26y·R/R
+$10.3M+$10.3M± $16M exp surplusrealized −$3.2M 1.7± 2 exp WARrealized -0.2
Prior
league baseline (track record outweighs draft pedigree) → 0.26/yr
Evidence
recent form 1.3/yr over 1.7 season
Talent
0.87/yr blended
Horizon
2.0 control yrs
Joe BiaginiP·29y·R/R
+$2.1M+$2.1M± $13M exp surplusrealized −$4.8M 0.8± 2 exp WARrealized -0.6
Prior
league baseline (track record outweighs draft pedigree) → 0.21/yr
Evidence
recent form 0.3/yr over 2.1 seasons
Talent
0.30/yr blended
Horizon
3.0 control yrs × 0.85 age decline
Cal StevensonOF·22y·L/L
+$1.8M+$1.8M± $20M exp surplusrealized +$0.0M 1.2± 2 exp WARrealized 0.0
Prior
#296 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

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.