Rosternomics
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July 30, 2021

CLEATL

CLE won this trade +$21.6M surplus CLE won this trade +0.0 WAR
CLECLE Chris Antonetti net +$21.6M net +0.0
received +$1.6M+$0.8M ± $8M expected surplus · +$0.0M realized received 0.3 ± 1 expected · 0.0 realized WAR
Playoff odds: this deal moved CLE's 2021 odds 6% → 5% (-0.8 pts) — how trade timing is graded ↗
receives — most valuable first
Pablo Sandoval3B·34y·B/R
+$1.7M+$0.4M± $8M exp surplusrealized +$0.0M 0.3± 1 exp WARrealized 0.0
Prior
no pedigree — league baseline → 0.21/yr
Evidence
recent form 0.4/yr over 1.4 season
Talent
0.29/yr blended
Horizon
1.5 control yr × 0.71 age decline
ATLATL Alex Anthopoulos net −$21.6M net +0.0
received +$5.6M+$5.6M ± $10M expected surplus · −$21.6M realized received 1.4 ± 1 expected · 0.0 realized WAR
Playoff odds: this deal moved ATL's 2021 odds 34% → 38% (+3.8 pts) — how trade timing is graded ↗
receives — most valuable first
Eddie RosarioOF·29y·L/R
+$5.9M+$5.9M± $10M exp surplusrealized −$21.6M 1.4± 1 exp WARrealized 0.0
Prior
league baseline (track record outweighs draft pedigree) → 0.21/yr
Evidence
recent form 2.2/yr over 1.8 season
Talent
1.43/yr blended
Horizon
1.0 control yr

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.