{"sport":"mlb","slug":"lefty-turner","bio":{"fullName":"Lefty Turner","position":"X","team":null,"heightInches":66,"weightLbs":143,"birthDate":"1912-07-08","rookieSeason":1940,"lastSeason":1943,"status":"RET","externalIds":{"mlbam":"816874","chadwick":"cadf4598","retro":"turnl101"}},"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":1940,"seasonType":"REG","team":"Toledo-Indianapolis Crawfords","gamesPlayed":14,"values":{"g":14,"ab":46,"r":2,"h":7,"doubles":1,"triples":2,"hr":0,"rbi":5,"sb":0,"bb":1,"so":null,"avg":0.152,"obp":0.17,"slg":0.261,"ops":0.431},"rowScope":"team"},{"season":1942,"seasonType":"REG","team":"Baltimore Elite Giants","gamesPlayed":23,"values":{"g":23,"ab":49,"r":7,"h":7,"doubles":1,"triples":0,"hr":0,"rbi":0,"sb":1,"bb":6,"so":null,"avg":0.143,"obp":0.236,"slg":0.163,"ops":0.399},"rowScope":"team"},{"season":1943,"seasonType":"REG","team":"Harrisburgh-St. Louis Stars","gamesPlayed":3,"values":{"g":3,"ab":11,"r":2,"h":2,"doubles":0,"triples":1,"hr":1,"rbi":3,"sb":0,"bb":0,"so":null,"avg":0.182,"obp":0.182,"slg":0.636,"ops":0.818},"rowScope":"team"}],"careerTotals":{"REG":{"g":40,"ab":106,"r":11,"h":16,"doubles":2,"triples":3,"hr":1,"rbi":8,"sb":1,"bb":7,"so":null,"avg":0.151,"obp":0.204,"slg":0.255,"ops":0.459}}},{"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":1940,"seasonType":"REG","team":"Toledo-Indianapolis Crawfords","values":{"ops_plus":26,"era_plus":null},"rowScope":"team"},{"season":1942,"seasonType":"REG","team":"Baltimore Elite Giants","values":{"ops_plus":20,"era_plus":null},"rowScope":"team"},{"season":1943,"seasonType":"REG","team":"Harrisburgh-St. Louis Stars","values":{"ops_plus":120,"era_plus":null},"rowScope":"team"}],"careerTotals":{"REG":{"ops_plus":34,"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":"2026-07-03T03:41:46.470Z"}