Rosternomics
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March 21, 1989

HOUMIN

MIN won this trade +$0.8M surplus HOU won this trade +0.3 WAR
HOUHOU Bill Wood net −$0.8M net +0.3
received +$4.0M+$4.0M ± $19M expected surplus · −$0.8M realized received 1.5 ± 2 expected · 0.3 realized WAR
Playoff odds: this deal moved HOU's 1989 odds 7% → 7% (+0.5 pts) — how trade timing is graded ↗
receives — most valuable first
Steve Lombardozzi2B·29y·R/R
+$4.1M+$4.1M± $19M exp surplusrealized −$0.8M 1.5± 2 exp WARrealized 0.3
Prior
no pedigree — league baseline → 0.21/yr
Evidence
recent form 0.8/yr over 1.7 season
Talent
0.54/yr blended
Horizon
3.0 control yrs × 0.94 age decline
MINMIN Andy MacPhail net +$0.8M net -0.3
received +$2.4M+$2.4M ± $34M expected surplus · +$0.0M realized received 1.5 ± 4 expected · 0.0 realized WAR
Playoff odds: this deal moved MIN's 1989 odds 8% → 8% (-0.5 pts) — how trade timing is graded ↗
receives — most valuable first
Gordon FarmerP·23y·R/R
+$2.3M+$2.3M± $32M exp surplusrealized +$0.0M 1.3± 4 exp WARrealized 0.0
Prior
#194 overall draft pick — at the league baseline → 0.21/yr
Evidence
no MLB track record — leans on pedigree
Talent
0.21/yr blended
Horizon
6.0 control yrs
Ramon Cedeno
+$0.3M+$0.3M± $12M exp surplusrealized +$0.0M 0.2± 2 exp WARrealized 0.0
Unidentified minor-league throw-in — valued at the ~0.2 WAR base rate (most produce nothing)

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.