{"sport":"mlb","slug":"bill-holbert","bio":{"fullName":"Bill Holbert","position":"C","team":"LAD","heightInches":0,"weightLbs":197,"birthDate":"1855-03-14","rookieSeason":1876,"lastSeason":1888,"status":"RET","externalIds":{"mlbam":"116060","chadwick":"b45e10f1","retro":"holbb101","wikidata":"Q4909462"}},"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":1876,"seasonType":"REG","team":"Louisville Grays","gamesPlayed":12,"values":{"g":12,"ab":43,"r":3,"h":11,"doubles":0,"triples":0,"hr":0,"rbi":5,"sb":null,"bb":0,"so":3,"avg":0.256,"obp":null,"slg":0.256,"ops":null},"rowScope":"team"},{"season":1878,"seasonType":"REG","team":"Milwaukee Cream Citys","gamesPlayed":45,"values":{"g":45,"ab":173,"r":10,"h":32,"doubles":2,"triples":0,"hr":0,"rbi":12,"sb":null,"bb":3,"so":14,"avg":0.185,"obp":null,"slg":0.197,"ops":null},"rowScope":"team"},{"season":1879,"seasonType":"REG","gamesPlayed":63,"gamesStarted":null,"values":{"g":63,"ab":244,"r":12,"h":50,"doubles":0,"triples":0,"hr":0,"rbi":23,"sb":null,"bb":1,"so":21,"avg":0.205,"slg":0.205,"obp":null,"ops":null},"team":"TOT","rowScope":"total"},{"season":1879,"seasonType":"REG","team":"Syracuse Stars","gamesPlayed":59,"values":{"g":59,"ab":229,"r":11,"h":46,"doubles":0,"triples":0,"hr":0,"rbi":21,"sb":null,"bb":1,"so":20,"avg":0.201,"obp":null,"slg":0.201,"ops":null},"rowScope":"team"},{"season":1879,"seasonType":"REG","team":"Troy Trojans","gamesPlayed":4,"values":{"g":4,"ab":15,"r":1,"h":4,"doubles":0,"triples":0,"hr":0,"rbi":2,"sb":null,"bb":0,"so":1,"avg":0.267,"obp":null,"slg":0.267,"ops":null},"rowScope":"team"},{"season":1880,"seasonType":"REG","team":"Troy Trojans","gamesPlayed":60,"values":{"g":60,"ab":212,"r":18,"h":40,"doubles":5,"triples":1,"hr":0,"rbi":8,"sb":null,"bb":9,"so":18,"avg":0.189,"obp":null,"slg":0.222,"ops":null},"rowScope":"team"},{"season":1881,"seasonType":"REG","team":"Troy Trojans","gamesPlayed":46,"values":{"g":46,"ab":180,"r":16,"h":49,"doubles":3,"triples":0,"hr":0,"rbi":14,"sb":null,"bb":3,"so":13,"avg":0.272,"obp":null,"slg":0.289,"ops":null},"rowScope":"team"},{"season":1882,"seasonType":"REG","team":"Troy Trojans","gamesPlayed":71,"values":{"g":71,"ab":251,"r":24,"h":46,"doubles":5,"triples":0,"hr":0,"rbi":23,"sb":null,"bb":11,"so":22,"avg":0.183,"obp":null,"slg":0.203,"ops":null},"rowScope":"team"},{"season":1883,"seasonType":"REG","team":"New York Metropolitans","gamesPlayed":73,"values":{"g":73,"ab":299,"r":26,"h":71,"doubles":9,"triples":1,"hr":0,"rbi":null,"sb":null,"bb":1,"so":null,"avg":0.237,"obp":null,"slg":0.274,"ops":null},"rowScope":"team"},{"season":1884,"seasonType":"REG","team":"New York Metropolitans","gamesPlayed":65,"values":{"g":65,"ab":255,"r":28,"h":53,"doubles":5,"triples":0,"hr":0,"rbi":null,"sb":null,"bb":7,"so":null,"avg":0.208,"obp":0.235,"slg":0.227,"ops":0.462},"rowScope":"team"},{"season":1885,"seasonType":"REG","team":"New York Metropolitans","gamesPlayed":56,"values":{"g":56,"ab":202,"r":13,"h":35,"doubles":3,"triples":0,"hr":0,"rbi":13,"sb":null,"bb":8,"so":null,"avg":0.173,"obp":0.205,"slg":0.188,"ops":0.393},"rowScope":"team"},{"season":1886,"seasonType":"REG","team":"New York Metropolitans","gamesPlayed":48,"values":{"g":48,"ab":171,"r":8,"h":35,"doubles":4,"triples":2,"hr":0,"rbi":13,"sb":4,"bb":6,"so":null,"avg":0.205,"obp":0.232,"slg":0.251,"ops":0.483},"rowScope":"team"},{"season":1887,"seasonType":"REG","team":"New York Metropolitans","gamesPlayed":69,"values":{"g":69,"ab":255,"r":20,"h":58,"doubles":4,"triples":3,"hr":0,"rbi":32,"sb":12,"bb":7,"so":null,"avg":0.227,"obp":0.248,"slg":0.267,"ops":0.515},"rowScope":"team"},{"season":1888,"seasonType":"REG","team":"LAD","gamesPlayed":15,"values":{"g":15,"ab":50,"r":4,"h":6,"doubles":1,"triples":0,"hr":0,"rbi":1,"sb":0,"bb":2,"so":null,"avg":0.12,"obp":0.17,"slg":0.14,"ops":0.31},"rowScope":"team"}],"careerTotals":{"REG":{"g":623,"ab":2335,"r":182,"h":486,"doubles":41,"triples":7,"hr":0,"rbi":144,"sb":16,"bb":58,"so":91,"avg":0.208,"obp":0.228,"slg":0.232,"ops":0.46}}},{"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":1876,"seasonType":"REG","team":"Louisville Grays","values":{"ops_plus":72,"era_plus":null},"rowScope":"team"},{"season":1878,"seasonType":"REG","team":"Milwaukee Cream Citys","values":{"ops_plus":33,"era_plus":null},"rowScope":"team"},{"season":1879,"seasonType":"REG","gamesPlayed":null,"gamesStarted":null,"values":{"ops_plus":null,"era_plus":null},"team":"TOT","rowScope":"total"},{"season":1879,"seasonType":"REG","team":"Syracuse Stars","values":{"ops_plus":37,"era_plus":null},"rowScope":"team"},{"season":1879,"seasonType":"REG","team":"Troy Trojans","values":{"ops_plus":80,"era_plus":null},"rowScope":"team"},{"season":1880,"seasonType":"REG","team":"Troy Trojans","values":{"ops_plus":52,"era_plus":null},"rowScope":"team"},{"season":1881,"seasonType":"REG","team":"Troy Trojans","values":{"ops_plus":83,"era_plus":null},"rowScope":"team"},{"season":1882,"seasonType":"REG","team":"Troy Trojans","values":{"ops_plus":37,"era_plus":null},"rowScope":"team"},{"season":1883,"seasonType":"REG","team":"New York Metropolitans","values":{"ops_plus":70,"era_plus":null},"rowScope":"team"},{"season":1884,"seasonType":"REG","team":"New York Metropolitans","values":{"ops_plus":54,"era_plus":null},"rowScope":"team"},{"season":1885,"seasonType":"REG","team":"New York Metropolitans","values":{"ops_plus":28,"era_plus":null},"rowScope":"team"},{"season":1886,"seasonType":"REG","team":"New York Metropolitans","values":{"ops_plus":62,"era_plus":null},"rowScope":"team"},{"season":1887,"seasonType":"REG","team":"New York Metropolitans","values":{"ops_plus":45,"era_plus":null},"rowScope":"team"},{"season":1888,"seasonType":"REG","team":"LAD","values":{"ops_plus":-2,"era_plus":null},"rowScope":"team"}],"careerTotals":{"REG":{"ops_plus":50,"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":"2026-07-03T08:11:48.216Z"}