{"sport":"mlb","slug":"billy-herman","bio":{"fullName":"Billy Herman","position":"2B","team":"PIT","heightInches":71,"weightLbs":180,"birthDate":"1909-07-07","rookieSeason":1931,"lastSeason":1947,"status":"RET","externalIds":{"mlbam":"115809","chadwick":"d6297ffd","retro":"hermb101","wikidata":"Q863124"}},"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":1931,"seasonType":"REG","team":"CHC","gamesPlayed":25,"values":{"g":25,"ab":98,"r":14,"h":32,"doubles":7,"triples":0,"hr":0,"rbi":16,"sb":2,"bb":13,"so":6,"avg":0.327,"obp":0.405,"slg":0.398,"ops":0.803},"rowScope":"team"},{"season":1932,"seasonType":"REG","team":"CHC","gamesPlayed":154,"values":{"g":154,"ab":656,"r":102,"h":206,"doubles":42,"triples":7,"hr":1,"rbi":51,"sb":14,"bb":40,"so":33,"avg":0.314,"obp":0.358,"slg":0.404,"ops":0.762},"rowScope":"team"},{"season":1932,"seasonType":"POST","team":"CHC","gamesPlayed":4,"values":{"g":4,"ab":18,"r":5,"h":4,"doubles":1,"triples":0,"hr":0,"rbi":1,"sb":0,"bb":1,"so":3,"avg":0.222,"obp":null,"slg":0.278,"ops":null},"rowScope":"team"},{"season":1933,"seasonType":"REG","team":"CHC","gamesPlayed":153,"values":{"g":153,"ab":619,"r":82,"h":173,"doubles":35,"triples":2,"hr":0,"rbi":44,"sb":5,"bb":45,"so":34,"avg":0.279,"obp":0.332,"slg":0.342,"ops":0.674},"rowScope":"team"},{"season":1934,"seasonType":"REG","team":"CHC","gamesPlayed":113,"values":{"g":113,"ab":456,"r":79,"h":138,"doubles":21,"triples":6,"hr":3,"rbi":42,"sb":6,"bb":34,"so":31,"avg":0.303,"obp":0.355,"slg":0.395,"ops":0.75},"rowScope":"team"},{"season":1935,"seasonType":"REG","team":"CHC","gamesPlayed":154,"values":{"g":154,"ab":666,"r":113,"h":227,"doubles":57,"triples":6,"hr":7,"rbi":83,"sb":6,"bb":42,"so":29,"avg":0.341,"obp":0.383,"slg":0.476,"ops":0.859},"rowScope":"team"},{"season":1935,"seasonType":"POST","team":"CHC","gamesPlayed":6,"values":{"g":6,"ab":24,"r":3,"h":8,"doubles":2,"triples":1,"hr":1,"rbi":6,"sb":0,"bb":0,"so":2,"avg":0.333,"obp":null,"slg":0.625,"ops":null},"rowScope":"team"},{"season":1936,"seasonType":"REG","team":"CHC","gamesPlayed":153,"values":{"g":153,"ab":632,"r":101,"h":211,"doubles":57,"triples":7,"hr":5,"rbi":93,"sb":5,"bb":59,"so":30,"avg":0.334,"obp":0.392,"slg":0.47,"ops":0.862},"rowScope":"team"},{"season":1937,"seasonType":"REG","team":"CHC","gamesPlayed":138,"values":{"g":138,"ab":564,"r":106,"h":189,"doubles":35,"triples":11,"hr":8,"rbi":65,"sb":2,"bb":56,"so":22,"avg":0.335,"obp":0.396,"slg":0.479,"ops":0.875},"rowScope":"team"},{"season":1938,"seasonType":"REG","team":"CHC","gamesPlayed":152,"values":{"g":152,"ab":624,"r":86,"h":173,"doubles":34,"triples":7,"hr":1,"rbi":56,"sb":3,"bb":59,"so":31,"avg":0.277,"obp":0.342,"slg":0.359,"ops":0.701},"rowScope":"team"},{"season":1938,"seasonType":"POST","team":"CHC","gamesPlayed":4,"values":{"g":4,"ab":16,"r":1,"h":3,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":1,"so":4,"avg":0.188,"obp":null,"slg":0.188,"ops":null},"rowScope":"team"},{"season":1939,"seasonType":"REG","team":"CHC","gamesPlayed":156,"values":{"g":156,"ab":623,"r":111,"h":191,"doubles":34,"triples":18,"hr":7,"rbi":70,"sb":9,"bb":66,"so":31,"avg":0.307,"obp":0.378,"slg":0.453,"ops":0.831},"rowScope":"team"},{"season":1940,"seasonType":"REG","team":"CHC","gamesPlayed":135,"values":{"g":135,"ab":558,"r":77,"h":163,"doubles":24,"triples":4,"hr":5,"rbi":57,"sb":1,"bb":47,"so":30,"avg":0.292,"obp":0.347,"slg":0.376,"ops":0.723},"rowScope":"team"},{"season":1941,"seasonType":"REG","gamesPlayed":144,"gamesStarted":null,"values":{"g":144,"ab":572,"r":81,"h":163,"doubles":30,"triples":5,"hr":3,"rbi":41,"sb":1,"bb":67,"so":43,"avg":0.285,"slg":0.371,"obp":null,"ops":null},"team":"TOT","rowScope":"total"},{"season":1941,"seasonType":"REG","team":"CHC","gamesPlayed":11,"values":{"g":11,"ab":36,"r":4,"h":7,"doubles":0,"triples":1,"hr":0,"rbi":0,"sb":0,"bb":9,"so":5,"avg":0.194,"obp":0.356,"slg":0.25,"ops":0.606},"rowScope":"team"},{"season":1941,"seasonType":"REG","team":"LAD","gamesPlayed":133,"values":{"g":133,"ab":536,"r":77,"h":156,"doubles":30,"triples":4,"hr":3,"rbi":41,"sb":1,"bb":58,"so":38,"avg":0.291,"obp":0.361,"slg":0.379,"ops":0.74},"rowScope":"team"},{"season":1941,"seasonType":"POST","team":"LAD","gamesPlayed":4,"values":{"g":4,"ab":8,"r":0,"h":1,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":2,"so":0,"avg":0.125,"obp":null,"slg":0.125,"ops":null},"rowScope":"team"},{"season":1942,"seasonType":"REG","team":"LAD","gamesPlayed":155,"values":{"g":155,"ab":571,"r":76,"h":146,"doubles":34,"triples":2,"hr":2,"rbi":65,"sb":6,"bb":72,"so":52,"avg":0.256,"obp":0.339,"slg":0.333,"ops":0.672},"rowScope":"team"},{"season":1943,"seasonType":"REG","team":"LAD","gamesPlayed":153,"values":{"g":153,"ab":585,"r":76,"h":193,"doubles":41,"triples":2,"hr":2,"rbi":100,"sb":4,"bb":66,"so":26,"avg":0.33,"obp":0.398,"slg":0.417,"ops":0.815},"rowScope":"team"},{"season":1946,"seasonType":"REG","gamesPlayed":122,"gamesStarted":null,"values":{"g":122,"ab":436,"r":56,"h":130,"doubles":31,"triples":5,"hr":3,"rbi":50,"sb":3,"bb":69,"so":23,"avg":0.298,"slg":0.413,"obp":null,"ops":null},"team":"TOT","rowScope":"total"},{"season":1946,"seasonType":"REG","team":"ATL","gamesPlayed":75,"values":{"g":75,"ab":252,"r":32,"h":77,"doubles":23,"triples":1,"hr":3,"rbi":22,"sb":1,"bb":43,"so":13,"avg":0.306,"obp":0.409,"slg":0.44,"ops":0.849},"rowScope":"team"},{"season":1946,"seasonType":"REG","team":"LAD","gamesPlayed":47,"values":{"g":47,"ab":184,"r":24,"h":53,"doubles":8,"triples":4,"hr":0,"rbi":28,"sb":2,"bb":26,"so":10,"avg":0.288,"obp":0.376,"slg":0.375,"ops":0.751},"rowScope":"team"},{"season":1947,"seasonType":"REG","team":"PIT","gamesPlayed":15,"values":{"g":15,"ab":47,"r":3,"h":10,"doubles":4,"triples":0,"hr":0,"rbi":6,"sb":0,"bb":2,"so":7,"avg":0.213,"obp":0.245,"slg":0.298,"ops":0.543},"rowScope":"team"}],"careerTotals":{"REG":{"g":1922,"ab":7707,"r":1163,"h":2345,"doubles":486,"triples":82,"hr":47,"rbi":839,"sb":67,"bb":737,"so":428,"avg":0.304,"obp":0.367,"slg":0.407,"ops":0.774},"POST":{"g":18,"ab":66,"r":9,"h":16,"doubles":3,"triples":1,"hr":1,"rbi":7,"sb":0,"bb":4,"so":9,"avg":0.242,"obp":null,"slg":0.364,"ops":null}}},{"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":1931,"seasonType":"REG","team":"CHC","values":{"ops_plus":125,"era_plus":null},"rowScope":"team"},{"season":1932,"seasonType":"REG","team":"CHC","values":{"ops_plus":109,"era_plus":null},"rowScope":"team"},{"season":1933,"seasonType":"REG","team":"CHC","values":{"ops_plus":98,"era_plus":null},"rowScope":"team"},{"season":1934,"seasonType":"REG","team":"CHC","values":{"ops_plus":106,"era_plus":null},"rowScope":"team"},{"season":1935,"seasonType":"REG","team":"CHC","values":{"ops_plus":135,"era_plus":null},"rowScope":"team"},{"season":1936,"seasonType":"REG","team":"CHC","values":{"ops_plus":137,"era_plus":null},"rowScope":"team"},{"season":1937,"seasonType":"REG","team":"CHC","values":{"ops_plus":140,"era_plus":null},"rowScope":"team"},{"season":1938,"seasonType":"REG","team":"CHC","values":{"ops_plus":98,"era_plus":null},"rowScope":"team"},{"season":1939,"seasonType":"REG","team":"CHC","values":{"ops_plus":128,"era_plus":null},"rowScope":"team"},{"season":1940,"seasonType":"REG","team":"CHC","values":{"ops_plus":106,"era_plus":null},"rowScope":"team"},{"season":1941,"seasonType":"REG","gamesPlayed":null,"gamesStarted":null,"values":{"ops_plus":null,"era_plus":null},"team":"TOT","rowScope":"total"},{"season":1941,"seasonType":"REG","team":"CHC","values":{"ops_plus":76,"era_plus":null},"rowScope":"team"},{"season":1941,"seasonType":"REG","team":"LAD","values":{"ops_plus":112,"era_plus":null},"rowScope":"team"},{"season":1942,"seasonType":"REG","team":"LAD","values":{"ops_plus":101,"era_plus":null},"rowScope":"team"},{"season":1943,"seasonType":"REG","team":"LAD","values":{"ops_plus":139,"era_plus":null},"rowScope":"team"},{"season":1946,"seasonType":"REG","gamesPlayed":null,"gamesStarted":null,"values":{"ops_plus":null,"era_plus":null},"team":"TOT","rowScope":"total"},{"season":1946,"seasonType":"REG","team":"ATL","values":{"ops_plus":158,"era_plus":null},"rowScope":"team"},{"season":1946,"seasonType":"REG","team":"LAD","values":{"ops_plus":118,"era_plus":null},"rowScope":"team"},{"season":1947,"seasonType":"REG","team":"PIT","values":{"ops_plus":49,"era_plus":null},"rowScope":"team"}],"careerTotals":{"REG":{"ops_plus":119,"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":"2026-07-03T03:31:24.980Z"}