{"sport":"mlb","slug":"john-beckwith","bio":{"fullName":"John Beckwith","position":"X","team":null,"heightInches":71,"weightLbs":200,"birthDate":"1900-01-10","rookieSeason":1920,"lastSeason":1935,"status":"RET","externalIds":{"mlbam":"820557","chadwick":"aed975b9","retro":"beckj104","wikidata":"Q15998782"}},"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":1920,"seasonType":"REG","team":"Chicago Giants","gamesPlayed":31,"values":{"g":31,"ab":115,"r":12,"h":28,"doubles":6,"triples":0,"hr":1,"rbi":14,"sb":1,"bb":6,"so":null,"avg":0.243,"obp":0.281,"slg":0.322,"ops":0.603},"rowScope":"team"},{"season":1921,"seasonType":"REG","team":"Chicago Giants","gamesPlayed":49,"values":{"g":49,"ab":184,"r":32,"h":72,"doubles":14,"triples":5,"hr":4,"rbi":39,"sb":8,"bb":15,"so":null,"avg":0.391,"obp":0.437,"slg":0.587,"ops":1.024},"rowScope":"team"},{"season":1922,"seasonType":"REG","team":"Chicago American Giants","gamesPlayed":67,"values":{"g":67,"ab":223,"r":44,"h":80,"doubles":21,"triples":5,"hr":7,"rbi":52,"sb":11,"bb":19,"so":null,"avg":0.359,"obp":0.414,"slg":0.592,"ops":1.006},"rowScope":"team"},{"season":1923,"seasonType":"REG","team":"Chicago American Giants","gamesPlayed":77,"values":{"g":77,"ab":270,"r":36,"h":82,"doubles":21,"triples":9,"hr":8,"rbi":77,"sb":5,"bb":19,"so":null,"avg":0.304,"obp":0.349,"slg":0.537,"ops":0.886},"rowScope":"team"},{"season":1924,"seasonType":"REG","team":"Baltimore Black Sox","gamesPlayed":33,"values":{"g":33,"ab":119,"r":33,"h":46,"doubles":6,"triples":1,"hr":7,"rbi":31,"sb":10,"bb":11,"so":null,"avg":0.387,"obp":0.447,"slg":0.63,"ops":1.077},"rowScope":"team"},{"season":1925,"seasonType":"REG","team":"Baltimore Black Sox","gamesPlayed":52,"values":{"g":52,"ab":192,"r":49,"h":76,"doubles":16,"triples":1,"hr":15,"rbi":57,"sb":3,"bb":26,"so":null,"avg":0.396,"obp":0.47,"slg":0.724,"ops":1.194},"rowScope":"team"},{"season":1926,"seasonType":"REG","gamesPlayed":59,"gamesStarted":null,"values":{"g":59,"ab":199,"r":42,"h":66,"doubles":17,"triples":4,"hr":9,"rbi":54,"sb":4,"bb":19,"so":null,"avg":0.332,"slg":0.593,"obp":null,"ops":null},"team":"TOT","rowScope":"total"},{"season":1926,"seasonType":"REG","team":"Baltimore Black Sox","gamesPlayed":31,"values":{"g":31,"ab":90,"r":19,"h":30,"doubles":11,"triples":1,"hr":4,"rbi":24,"sb":1,"bb":8,"so":null,"avg":0.333,"obp":0.394,"slg":0.611,"ops":1.005},"rowScope":"team"},{"season":1926,"seasonType":"REG","team":"Harrisburg Giants","gamesPlayed":28,"values":{"g":28,"ab":109,"r":23,"h":36,"doubles":6,"triples":3,"hr":5,"rbi":30,"sb":3,"bb":11,"so":null,"avg":0.33,"obp":0.392,"slg":0.578,"ops":0.97},"rowScope":"team"},{"season":1927,"seasonType":"REG","team":"Harrisburg Giants","gamesPlayed":73,"values":{"g":73,"ab":277,"r":63,"h":95,"doubles":20,"triples":3,"hr":8,"rbi":58,"sb":1,"bb":18,"so":null,"avg":0.343,"obp":0.387,"slg":0.523,"ops":0.91},"rowScope":"team"},{"season":1929,"seasonType":"REG","gamesPlayed":61,"gamesStarted":null,"values":{"g":61,"ab":207,"r":57,"h":80,"doubles":17,"triples":2,"hr":14,"rbi":60,"sb":2,"bb":22,"so":null,"avg":0.386,"slg":0.691,"obp":null,"ops":null},"team":"TOT","rowScope":"total"},{"season":1929,"seasonType":"REG","team":"Homestead Grays","gamesPlayed":52,"values":{"g":52,"ab":176,"r":45,"h":64,"doubles":13,"triples":2,"hr":13,"rbi":52,"sb":2,"bb":18,"so":null,"avg":0.364,"obp":0.426,"slg":0.682,"ops":1.108},"rowScope":"team"},{"season":1929,"seasonType":"REG","team":"New York Lincoln Giants","gamesPlayed":9,"values":{"g":9,"ab":31,"r":12,"h":16,"doubles":4,"triples":0,"hr":1,"rbi":8,"sb":0,"bb":4,"so":null,"avg":0.516,"obp":0.571,"slg":0.742,"ops":1.313},"rowScope":"team"},{"season":1932,"seasonType":"REG","team":"Newark Browns","gamesPlayed":3,"values":{"g":3,"ab":8,"r":2,"h":3,"doubles":1,"triples":0,"hr":1,"rbi":4,"sb":0,"bb":0,"so":null,"avg":0.375,"obp":0.375,"slg":0.875,"ops":1.25},"rowScope":"team"},{"season":1934,"seasonType":"REG","team":"Newark Dodgers","gamesPlayed":1,"values":{"g":1,"ab":3,"r":0,"h":0,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":0,"so":null,"avg":0,"obp":0,"slg":0,"ops":0},"rowScope":"team"},{"season":1935,"seasonType":"REG","team":"Homestead Grays","gamesPlayed":6,"values":{"g":6,"ab":18,"r":0,"h":3,"doubles":1,"triples":0,"hr":0,"rbi":2,"sb":0,"bb":2,"so":null,"avg":0.167,"obp":0.25,"slg":0.222,"ops":0.472},"rowScope":"team"}],"careerTotals":{"REG":{"g":512,"ab":1815,"r":370,"h":631,"doubles":140,"triples":30,"hr":74,"rbi":448,"sb":45,"bb":157,"so":null,"avg":0.348,"obp":0.402,"slg":0.58,"ops":0.982}}},{"id":"pitching","label":"Pitching","columns":[{"key":"g"},{"key":"gs"},{"key":"w"},{"key":"l"},{"key":"sv"},{"key":"ip"},{"key":"so"},{"key":"bb"},{"key":"h"},{"key":"er"},{"key":"hr"},{"key":"era"},{"key":"whip"}],"rows":[{"season":1920,"seasonType":"REG","team":"Chicago Giants","gamesPlayed":1,"values":{"g":1,"gs":1,"w":0,"l":1,"sv":0,"ip":8,"so":5,"bb":4,"h":7,"er":4,"hr":0,"era":4.5,"whip":1.38},"rowScope":"team"},{"season":1921,"seasonType":"REG","team":"Chicago Giants","gamesPlayed":2,"values":{"g":2,"gs":0,"w":0,"l":0,"sv":0,"ip":9.2,"so":7,"bb":2,"h":10,"er":4,"hr":0,"era":3.72,"whip":1.24},"rowScope":"team"},{"season":1926,"seasonType":"REG","team":"Baltimore Black Sox","gamesPlayed":1,"values":{"g":1,"gs":0,"w":0,"l":0,"sv":0,"ip":1,"so":0,"bb":2,"h":1,"er":0,"hr":0,"era":0,"whip":3},"rowScope":"team"}],"careerTotals":{"REG":{"g":4,"gs":1,"w":0,"l":1,"sv":0,"ip":18.2,"so":12,"bb":8,"h":18,"er":8,"hr":0,"era":3.86,"whip":1.39}}},{"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":1920,"seasonType":"REG","team":"Chicago Giants","values":{"ops_plus":99,"era_plus":90},"rowScope":"team"},{"season":1921,"seasonType":"REG","team":"Chicago Giants","values":{"ops_plus":201,"era_plus":111},"rowScope":"team"},{"season":1922,"seasonType":"REG","team":"Chicago American Giants","values":{"ops_plus":166,"era_plus":null},"rowScope":"team"},{"season":1923,"seasonType":"REG","team":"Chicago American Giants","values":{"ops_plus":132,"era_plus":null},"rowScope":"team"},{"season":1924,"seasonType":"REG","team":"Baltimore Black Sox","values":{"ops_plus":193,"era_plus":null},"rowScope":"team"},{"season":1925,"seasonType":"REG","team":"Baltimore Black Sox","values":{"ops_plus":223,"era_plus":null},"rowScope":"team"},{"season":1929,"seasonType":"REG","gamesPlayed":null,"gamesStarted":null,"values":{"ops_plus":null,"era_plus":null},"team":"TOT","rowScope":"total"},{"season":1929,"seasonType":"REG","team":"Homestead Grays","values":{"ops_plus":175,"era_plus":null},"rowScope":"team"},{"season":1929,"seasonType":"REG","team":"New York Lincoln Giants","values":{"ops_plus":235,"era_plus":null},"rowScope":"team"},{"season":1932,"seasonType":"REG","team":"Newark Browns","values":{"ops_plus":262,"era_plus":null},"rowScope":"team"},{"season":1934,"seasonType":"REG","team":"Newark Dodgers","values":{"ops_plus":-100,"era_plus":null},"rowScope":"team"},{"season":1935,"seasonType":"REG","team":"Homestead Grays","values":{"ops_plus":25,"era_plus":null},"rowScope":"team"}],"careerTotals":{"REG":{"ops_plus":170,"era_plus":100}},"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":"2026-07-03T07:19:43.364Z"}