Rosternomics
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March 5, 2018

ATL⇄TBR

ATL won this trade +$0.0M surplus ATL won this trade +0.0 WAR
ATLATL Alex Anthopoulos net +$0.0M net +0.0
received +$10.4M+$10.4M ± $35M expected surplus · +$0.0M realized received 3.1 ± 4 expected · 0.0 realized WAR
receives — most valuable first
Ryan Schimpf2B/3B·30y·L/R
+$10.5M+$10.5M± $35M exp surplusrealized +$0.0M 3.1± 4 exp WARrealized 0.0
Prior
league baseline (track record outweighs draft pedigree) → 0.21/yr
Evidence
recent form 2.1/yr over 0.7 season
Talent
0.95/yr blended
Horizon
4.0 control yrs × 0.80 age decline
TBRTBR Erik Neander net +$0.0M net +0.0
received +$0.0M+$0.0M ± $0M expected surplus · +$0.0M realized received 0.0 ± 0 expected · 0.0 realized WAR
receives — most valuable first
cash / PTBNL
+$0.0M+$0.0M± $0M exp surplusrealized +$0.0M 0.0± 0 exp WARrealized 0.0
Cash or player to be named — no projection

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.