Rosternomics
← Trade Database
July 23, 1996

SEABOS

SEA won this trade +$0.8M surplus SEA won this trade +0.1 WAR
SEASEA Woody Woodward net +$0.8M net +0.1
received +$0.8M+$0.8M ± $16M expected surplus · −$2.4M realized received 0.9 ± 2 expected · -0.3 realized WAR
Playoff odds: this deal moved SEA's 1996 odds 82% → 82% (+0.3 pts) — how trade timing is graded ↗
receives — most valuable first
Jeff Manto1B/3B·31y·R/R
+$1.2M+$1.2M± $16M exp surplusrealized −$2.4M 0.9± 2 exp WARrealized -0.3
Prior
league baseline (track record outweighs draft pedigree) → 0.21/yr
Evidence
recent form 0.8/yr over 0.7 season
Talent
0.43/yr blended
Horizon
3.9 control yrs × 0.51 age decline
BOSBOS Dan Duquette net −$0.8M net -0.1
received +$0.8M+$0.8M ± $25M expected surplus · −$3.2M realized received 1.0 ± 3 expected · -0.4 realized WAR
Playoff odds: this deal moved BOS's 1996 odds 10% → 10% (-0.2 pts) — how trade timing is graded ↗
receives — most valuable first
Arquimedez Pozo2B/3B·22y·R/R
+$0.7M+$0.7M± $25M exp surplusrealized −$3.2M 1.0± 3 exp WARrealized -0.4
Prior
Composite #60.0 pedigree (Baseball America #60 (1994)) — fell off 2 lists since, regressed — at the league baseline → 0.21/yr
Evidence
recent form -3.6/yr over 0.0 season
Talent
0.19/yr blended
Horizon
5.5 control yrs

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.