B.A.R.T.O.L.O.

Baseball Analytic Research Tool Optimized for Longterm Outcomes

Last loaded: — · Projections: — · ● live

Date:

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Built by @SeanZerillo

Data sources: MLB Stats API (schedule, officials, rosters, lineups) · Baseball Savant park factors (3-year rolling) · UmpScorecards umpire offense adjustment · ATC / ZIPS / Steamer projections (hitters + pitchers).
Runs PF is Savant's 3-yr rolling run-scoring index, displayed as ±% vs. league. Weather is a blended runs adjustment derived from the NWS hourly forecast. HP umpires project forward via crew rotation (today's HP = yesterday's 1B in a series).