{"sport":"mlb","slug":"bill-davidson","bio":{"fullName":"Bill Davidson","position":"CF","team":"LAD","heightInches":70,"weightLbs":170,"birthDate":"1887-05-10","rookieSeason":1909,"lastSeason":1911,"status":"RET","externalIds":{"mlbam":"113091","chadwick":"2d47a7d1","retro":"davib107","wikidata":"Q4908697"}},"draft":null,"statTables":[{"id":"batting","label":"Batting","columns":[{"key":"g"},{"key":"ab"},{"key":"r"},{"key":"h"},{"key":"doubles"},{"key":"triples"},{"key":"hr"},{"key":"rbi"},{"key":"sb"},{"key":"bb"},{"key":"so"},{"key":"avg"},{"key":"obp"},{"key":"slg"},{"key":"ops"}],"rows":[{"season":1909,"seasonType":"REG","team":"CHC","gamesPlayed":2,"values":{"g":2,"ab":7,"r":2,"h":1,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":1,"bb":1,"so":null,"avg":0.143,"obp":0.25,"slg":0.143,"ops":0.393},"rowScope":"team"},{"season":1910,"seasonType":"REG","team":"LAD","gamesPlayed":137,"values":{"g":137,"ab":509,"r":48,"h":121,"doubles":13,"triples":7,"hr":0,"rbi":34,"sb":27,"bb":24,"so":54,"avg":0.238,"obp":0.277,"slg":0.291,"ops":0.568},"rowScope":"team"},{"season":1911,"seasonType":"REG","team":"LAD","gamesPlayed":87,"values":{"g":87,"ab":292,"r":33,"h":68,"doubles":3,"triples":4,"hr":1,"rbi":26,"sb":18,"bb":16,"so":21,"avg":0.233,"obp":0.275,"slg":0.281,"ops":0.556},"rowScope":"team"}],"careerTotals":{"REG":{"g":226,"ab":808,"r":83,"h":190,"doubles":16,"triples":11,"hr":1,"rbi":60,"sb":46,"bb":41,"so":75,"avg":0.235,"obp":0.276,"slg":0.286,"ops":0.562}}},{"id":"advanced","label":"Advanced (League-Relative)","columns":[{"key":"ops_plus","label":"OPS+","description":"On-base plus slugging vs the player's own season+league (100 = league average). Park-unadjusted; OBP uses a consistent (H+BB)/(AB+BB) rate. Higher is better.","format":"int","higherIsBetter":true},{"key":"era_plus","label":"ERA+","description":"Earned-run average vs the player's own season+league (100 = league average). Park-unadjusted. Higher is better.","format":"int","higherIsBetter":true}],"rows":[{"season":1909,"seasonType":"REG","team":"CHC","values":{"ops_plus":28,"era_plus":null},"rowScope":"team"},{"season":1910,"seasonType":"REG","team":"LAD","values":{"ops_plus":70,"era_plus":null},"rowScope":"team"},{"season":1911,"seasonType":"REG","team":"LAD","values":{"ops_plus":62,"era_plus":null},"rowScope":"team"}],"careerTotals":{"REG":{"ops_plus":67,"era_plus":null}},"advancedMeta":{"method":"computed in-house from MLB StatsAPI season batting/pitching lines, normalized to each player's own (season, league) baseline","formulas":{"era_plus":"100 * lgERA / playerERA (league ERA = 9 * ΣER / ΣIP over the season+league)","ops_plus":"100 * (OBP/lgOBP + SLG/lgSLG - 1)","career_era_plus":"innings-weighted league ERA / career ERA (B-Ref method)","career_ops_plus":"AB-weighted OBP & SLG against AB-weighted league rates"},"caveats":["PARK-UNADJUSTED: no park-factor data exists in the corpus, so these are league-relative but not park-adjusted (true B-Ref ERA+/OPS+ also divide by a park factor)","OBP baseline uses a consistent (H+BB)/(AB+BB) reached-base rate for BOTH player and league — the source feed carries no HBP or SF, so this is not the full (H+BB+HBP)/(AB+BB+HBP+SF) OBP; SLG is exact from the hit-type columns","league resolved from team code + season (most-recently-founded franchise existing by that season); the same resolver builds the baseline and looks up the player, so ratios stay internally coherent","a (season, league) bucket below the sample floor (3000 AB batting / 1000 IP pitching) yields null — no noisy baselines","regular season only; postseason lines are excluded from league baselines and metrics","AL and NL and each historical/Negro league are normalized separately — never blended across leagues or eras"]}}],"dataSources":["MLB StatsAPI (statsapi.mlb.com — official public league API; facts only, raw payloads not republished)"],"generatedAt":"2026-07-03T07:50:50.720Z"}