Why starter identity matters
A starter affects the expected innings before the bullpen, handedness matchups, strikeout and contact profiles, and the likely run environment. A name that merely looks similar is not enough. The scheduled game, player identity, and expected role must agree before pitcher-specific features are attached to an analysis.
Expected is not confirmed
Probable starters can change after an early card is prepared. ClearInning treats the identity and observation time as part of the input, not as timeless facts. If the expected starter changes, the original reasoning must be reviewed against the replacement. Depending on the evidence and publication state, the result can be an update, withdrawal, or exclusion.
Openers and bullpen games are different inputs
An opener may face only the first portion of the lineup before a bulk reliever takes over. A bullpen game can distribute innings across several pitchers. Applying a traditional starter workload to either case can distort the matchup. The label alone is not enough; expected role and innings distribution matter.
ClearInning does not automatically convert an opener into a conventional starter. A starter-agnostic fallback may be used only after it has been separately validated for that setting. Without that evidence, the game is excluded from model-driven selections.
The exclusion rule
If a starter cannot be identified reliably, ClearInning does not manufacture or infer one. If the identity is reliable but the role is not, pitcher-dependent features cannot be treated as settled. Exclusion protects the meaning of the model inputs and keeps uncertain games from being presented with false precision.
Resolve the scheduled game → resolve a stable pitcher identity → verify the expected role → connect matching pitcher features → review changes before publication. If a required step fails and no validated fallback applies, stop and exclude the game.
Current validation boundary
The ROI project has implemented and live-tested a Challenger resolver that uses an existing pitcher-prop market signal, maps expected starters to stable MLBAM player identities, and connects those identities to pitcher features. Its proof of concept passed the recorded initial live test, but full daily coverage, missing-prop cases, starter-change lineage, opener and bullpen handling, unattended operation, and actual ROI impact still require validation.
That means the resolver is not described here as production validated and has not been promoted into ClearInning production. The current production methodology remains preserved while validation continues.
Where AI-assisted review fits
Identity resolution and exclusion are deterministic data and code decisions; they do not require an AI API. AI-assisted editorial review may help check whether a published explanation matches the resolved inputs and states the risk clearly. It must not invent a starter, fill a missing data point, or overrule an exclusion.
For the broader decision process, read the ClearInning methodology. For how exclusions affect performance reporting, continue to the published-price ROI guide.