Rosternomics
← Trade Database
December 24, 2024

BOSMIN

unsettledToo soon to call — players still accruing.
BOSBOS Craig Breslow net +$3.2M net +0.7
received +$4.0M+$4.0M ± $18M expected surplus · −$0.8M realized received 1.4 ± 2 expected · 0.0 realized WAR
Playoff odds: this deal moved BOS's 2025 odds 63% → 67% (+3.9 pts) — how trade timing is graded ↗
receives — most valuable first
Jovani MoránP·28y·L/L
+$3.6M+$3.6M± $18M exp surplusrealized −$0.8M 1.4± 2 exp WARrealized 0.0
Prior
#200 overall draft pick — at the league baseline → 0.21/yr
Evidence
recent form 0.5/yr over 1.1 season
Talent
0.36/yr blended
Horizon
5.0 control yrs × 0.76 age decline
MINMIN Derek Falvey net −$3.2M net -0.7
received −$4.0M−$4.0M ± $19M expected surplus · −$4.0M realized received 0.0 ± 2 expected · -0.7 realized WAR
Playoff odds: this deal moved MIN's 2025 odds 12% → 10% (-1.7 pts) — how trade timing is graded ↗
receives — most valuable first
Mickey GasperC/DH·29y·S/R
−$3.7M−$3.7M± $19M exp surplusrealized −$4.0M 0.0± 2 exp WARrealized -0.7
Prior
#817 overall draft pick — at the league baseline → 0.21/yr
Evidence
recent form -3.4/yr over 0.1 season
Talent
-0.03/yr blended
Horizon
5.0 control yrs
Fan verdict — who overpaid?

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.