{"sport":"mlb","slug":"john-pickett","bio":{"fullName":"John Pickett","position":"2B","team":null,"heightInches":70,"weightLbs":186,"birthDate":"1866-02-20","rookieSeason":1889,"lastSeason":1892,"status":"RET","externalIds":{"mlbam":"120548","chadwick":"528e8ec1","retro":"pickj101","wikidata":"Q6252872"}},"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":1889,"seasonType":"REG","team":"Kansas City Blues","gamesPlayed":53,"values":{"g":53,"ab":201,"r":20,"h":45,"doubles":7,"triples":0,"hr":0,"rbi":12,"sb":7,"bb":11,"so":21,"avg":0.224,"obp":0.271,"slg":0.259,"ops":0.53},"rowScope":"team"},{"season":1890,"seasonType":"REG","team":"Philadelphia Quakers","gamesPlayed":100,"values":{"g":100,"ab":407,"r":82,"h":114,"doubles":7,"triples":9,"hr":4,"rbi":64,"sb":12,"bb":40,"so":17,"avg":0.28,"obp":0.347,"slg":0.371,"ops":0.718},"rowScope":"team"},{"season":1892,"seasonType":"REG","team":"Baltimore Orioles","gamesPlayed":36,"values":{"g":36,"ab":141,"r":13,"h":30,"doubles":2,"triples":3,"hr":1,"rbi":12,"sb":2,"bb":7,"so":10,"avg":0.213,"obp":0.26,"slg":0.291,"ops":0.551},"rowScope":"team"}],"careerTotals":{"REG":{"g":189,"ab":749,"r":115,"h":189,"doubles":16,"triples":12,"hr":5,"rbi":88,"sb":21,"bb":58,"so":48,"avg":0.252,"obp":0.311,"slg":0.326,"ops":0.637}}},{"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":1889,"seasonType":"REG","team":"Kansas City Blues","values":{"ops_plus":54,"era_plus":null},"rowScope":"team"},{"season":1890,"seasonType":"REG","team":"Philadelphia Quakers","values":{"ops_plus":100,"era_plus":null},"rowScope":"team"},{"season":1892,"seasonType":"REG","team":"Baltimore Orioles","values":{"ops_plus":69,"era_plus":null},"rowScope":"team"}],"careerTotals":{"REG":{"ops_plus":82,"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":"2026-07-03T08:01:23.026Z"}