Rosternomics
← Trade Database
April 2, 1993

BOSPIT

BOS won this trade +$0.8M surplus BOS won this trade +0.4 WAR
BOSBOS Lou Gorman net +$0.8M net +0.4
received −$2.4M−$2.4M ± $49M expected surplus · +$0.8M realized received 0.0 ± 6 expected · 0.4 realized WAR
Playoff odds: this deal moved BOS's 1993 odds 24% → 26% (+1.6 pts) — how trade timing is graded ↗
receives — most valuable first
Jeff RichardsonSS·27y·R/R
−$2.2M−$2.2M± $49M exp surplusrealized +$0.8M 0.0± 6 exp WARrealized 0.4
Prior
#176 overall draft pick — at the league baseline → 0.21/yr
Evidence
recent form -2.2/yr over 0.1 season
Talent
-0.02/yr blended
Horizon
3.0 control yrs
PITPIT Ted Simmons net −$0.8M net -0.4
received −$2.4M−$2.4M ± $14M expected surplus · +$0.0M realized received 0.2 ± 2 expected · 0.0 realized WAR
Playoff odds: this deal moved PIT's 1993 odds 5% → 4% (-0.4 pts) — how trade timing is graded ↗
receives — most valuable first
Daryl IrvineP·28y·R/R
−$2.6M−$2.6M± $14M exp surplusrealized +$0.0M 0.2± 2 exp WARrealized 0.0
Prior
no pedigree — league baseline → 0.21/yr
Evidence
recent form -0.1/yr over 1.0 season
Talent
0.07/yr blended
Horizon
5.0 control yrs × 0.60 age decline

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.