Rosternomics
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January 24, 2017

MIA⇄PHI

MIA won this trade +$0.0M surplus MIA won this trade +0.0 WAR
MIAMIA Michael Hill net +$0.0M net +0.0
received +$6.4M+$6.4M ± $29M expected surplus · +$0.0M realized received 2.1 ± 4 expected · 0.0 realized WAR
receives — most valuable first
Severino GonzálezP·24y·R/R
+$6.6M+$6.6M± $29M exp surplusrealized +$0.0M 2.1± 4 exp WARrealized 0.0
Prior
no pedigree — league baseline → 0.21/yr
Evidence
recent form 0.6/yr over 1.1 season
Talent
0.38/yr blended
Horizon
5.5 control yrs
PHIPHI Matt Klentak 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.