{"sport":"mlb","slug":"charlie-buffinton","bio":{"fullName":"Charlie Buffinton","position":"P","team":null,"heightInches":73,"weightLbs":180,"birthDate":"1861-06-14","rookieSeason":1882,"lastSeason":1892,"status":"RET","externalIds":{"mlbam":"111672","chadwick":"d8ae3a0f","retro":"buffc101","wikidata":"Q10953877"}},"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":1882,"seasonType":"REG","team":"ATL","gamesPlayed":15,"values":{"g":15,"ab":50,"r":5,"h":13,"doubles":1,"triples":0,"hr":0,"rbi":4,"sb":null,"bb":2,"so":3,"avg":0.26,"obp":null,"slg":0.28,"ops":null},"rowScope":"team"},{"season":1883,"seasonType":"REG","team":"ATL","gamesPlayed":86,"values":{"g":86,"ab":341,"r":28,"h":81,"doubles":8,"triples":3,"hr":1,"rbi":26,"sb":null,"bb":6,"so":24,"avg":0.238,"obp":null,"slg":0.287,"ops":null},"rowScope":"team"},{"season":1884,"seasonType":"REG","team":"ATL","gamesPlayed":87,"values":{"g":87,"ab":352,"r":48,"h":94,"doubles":18,"triples":3,"hr":1,"rbi":39,"sb":null,"bb":16,"so":12,"avg":0.267,"obp":null,"slg":0.344,"ops":null},"rowScope":"team"},{"season":1885,"seasonType":"REG","team":"ATL","gamesPlayed":82,"values":{"g":82,"ab":338,"r":26,"h":81,"doubles":12,"triples":3,"hr":1,"rbi":33,"sb":null,"bb":3,"so":26,"avg":0.24,"obp":null,"slg":0.302,"ops":null},"rowScope":"team"},{"season":1886,"seasonType":"REG","team":"ATL","gamesPlayed":44,"values":{"g":44,"ab":176,"r":27,"h":51,"doubles":4,"triples":1,"hr":1,"rbi":30,"sb":3,"bb":6,"so":12,"avg":0.29,"obp":null,"slg":0.341,"ops":null},"rowScope":"team"},{"season":1887,"seasonType":"REG","team":"PHI","gamesPlayed":66,"values":{"g":66,"ab":269,"r":34,"h":72,"doubles":12,"triples":1,"hr":1,"rbi":46,"sb":8,"bb":11,"so":3,"avg":0.268,"obp":0.299,"slg":0.331,"ops":0.63},"rowScope":"team"},{"season":1888,"seasonType":"REG","team":"PHI","gamesPlayed":46,"values":{"g":46,"ab":160,"r":14,"h":29,"doubles":4,"triples":1,"hr":0,"rbi":12,"sb":1,"bb":7,"so":5,"avg":0.181,"obp":0.216,"slg":0.219,"ops":0.435},"rowScope":"team"},{"season":1889,"seasonType":"REG","team":"PHI","gamesPlayed":47,"values":{"g":47,"ab":154,"r":16,"h":32,"doubles":2,"triples":0,"hr":0,"rbi":21,"sb":0,"bb":9,"so":5,"avg":0.208,"obp":0.256,"slg":0.221,"ops":0.477},"rowScope":"team"},{"season":1890,"seasonType":"REG","team":"Philadelphia Quakers","gamesPlayed":42,"values":{"g":42,"ab":150,"r":24,"h":41,"doubles":3,"triples":2,"hr":1,"rbi":24,"sb":1,"bb":9,"so":3,"avg":0.273,"obp":0.319,"slg":0.34,"ops":0.659},"rowScope":"team"},{"season":1891,"seasonType":"REG","team":"Boston Reds","gamesPlayed":58,"values":{"g":58,"ab":181,"r":16,"h":34,"doubles":2,"triples":1,"hr":1,"rbi":16,"sb":0,"bb":19,"so":15,"avg":0.188,"obp":0.269,"slg":0.227,"ops":0.496},"rowScope":"team"},{"season":1892,"seasonType":"REG","team":"Baltimore Orioles","gamesPlayed":13,"values":{"g":13,"ab":43,"r":7,"h":15,"doubles":1,"triples":1,"hr":0,"rbi":4,"sb":1,"bb":3,"so":6,"avg":0.349,"obp":0.391,"slg":0.419,"ops":0.81},"rowScope":"team"}],"careerTotals":{"REG":{"g":586,"ab":2214,"r":245,"h":543,"doubles":67,"triples":16,"hr":7,"rbi":255,"sb":14,"bb":91,"so":114,"avg":0.245,"obp":0.276,"slg":0.299,"ops":0.575}}},{"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":1882,"seasonType":"REG","team":"ATL","gamesPlayed":5,"values":{"g":5,"gs":5,"w":2,"l":3,"sv":0,"ip":42,"so":17,"bb":14,"h":53,"er":19,"hr":2,"era":4.07,"whip":1.6},"rowScope":"team"},{"season":1883,"seasonType":"REG","team":"ATL","gamesPlayed":43,"values":{"g":43,"gs":41,"w":25,"l":14,"sv":1,"ip":333,"so":188,"bb":51,"h":346,"er":112,"hr":4,"era":3.03,"whip":1.19},"rowScope":"team"},{"season":1884,"seasonType":"REG","team":"ATL","gamesPlayed":67,"values":{"g":67,"gs":67,"w":48,"l":16,"sv":0,"ip":587,"so":417,"bb":76,"h":506,"er":140,"hr":15,"era":2.15,"whip":0.99},"rowScope":"team"},{"season":1885,"seasonType":"REG","team":"ATL","gamesPlayed":51,"values":{"g":51,"gs":50,"w":22,"l":27,"sv":0,"ip":434.1,"so":242,"bb":112,"h":425,"er":139,"hr":10,"era":2.88,"whip":1.24},"rowScope":"team"},{"season":1886,"seasonType":"REG","team":"ATL","gamesPlayed":18,"values":{"g":18,"gs":17,"w":7,"l":10,"sv":0,"ip":151,"so":47,"bb":39,"h":203,"er":77,"hr":4,"era":4.59,"whip":1.6},"rowScope":"team"},{"season":1887,"seasonType":"REG","team":"PHI","gamesPlayed":40,"values":{"g":40,"gs":38,"w":21,"l":17,"sv":0,"ip":332.1,"so":160,"bb":92,"h":352,"er":135,"hr":16,"era":3.66,"whip":1.34},"rowScope":"team"},{"season":1888,"seasonType":"REG","team":"PHI","gamesPlayed":46,"values":{"g":46,"gs":46,"w":28,"l":17,"sv":0,"ip":400.1,"so":199,"bb":59,"h":324,"er":85,"hr":6,"era":1.91,"whip":0.96},"rowScope":"team"},{"season":1889,"seasonType":"REG","team":"PHI","gamesPlayed":47,"values":{"g":47,"gs":43,"w":28,"l":16,"sv":0,"ip":380,"so":153,"bb":121,"h":390,"er":137,"hr":10,"era":3.24,"whip":1.34},"rowScope":"team"},{"season":1890,"seasonType":"REG","team":"Philadelphia Quakers","gamesPlayed":36,"values":{"g":36,"gs":33,"w":19,"l":15,"sv":1,"ip":283.1,"so":89,"bb":126,"h":312,"er":120,"hr":8,"era":3.81,"whip":1.55},"rowScope":"team"},{"season":1891,"seasonType":"REG","team":"Boston Reds","gamesPlayed":48,"values":{"g":48,"gs":43,"w":29,"l":9,"sv":1,"ip":363.2,"so":158,"bb":120,"h":303,"er":103,"hr":8,"era":2.55,"whip":1.16},"rowScope":"team"},{"season":1892,"seasonType":"REG","team":"Baltimore Orioles","gamesPlayed":13,"values":{"g":13,"gs":13,"w":4,"l":8,"sv":0,"ip":97,"so":30,"bb":46,"h":130,"er":53,"hr":4,"era":4.92,"whip":1.81},"rowScope":"team"}],"careerTotals":{"REG":{"g":414,"gs":396,"w":233,"l":152,"sv":3,"ip":3404,"so":1700,"bb":856,"h":3344,"er":1120,"hr":87,"era":2.96,"whip":1.23}}},{"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":1882,"seasonType":"REG","team":"ATL","values":{"ops_plus":85,"era_plus":66},"rowScope":"team"},{"season":1883,"seasonType":"REG","team":"ATL","values":{"ops_plus":68,"era_plus":106},"rowScope":"team"},{"season":1884,"seasonType":"REG","team":"ATL","values":{"ops_plus":108,"era_plus":141},"rowScope":"team"},{"season":1885,"seasonType":"REG","team":"ATL","values":{"ops_plus":80,"era_plus":101},"rowScope":"team"},{"season":1886,"seasonType":"REG","team":"ATL","values":{"ops_plus":103,"era_plus":72},"rowScope":"team"},{"season":1887,"seasonType":"REG","team":"PHI","values":{"ops_plus":81,"era_plus":112},"rowScope":"team"},{"season":1888,"seasonType":"REG","team":"PHI","values":{"ops_plus":44,"era_plus":151},"rowScope":"team"},{"season":1889,"seasonType":"REG","team":"PHI","values":{"ops_plus":38,"era_plus":124},"rowScope":"team"},{"season":1890,"seasonType":"REG","team":"Philadelphia Quakers","values":{"ops_plus":83,"era_plus":113},"rowScope":"team"},{"season":1891,"seasonType":"REG","team":"Boston Reds","values":{"ops_plus":45,"era_plus":135},"rowScope":"team"},{"season":1892,"seasonType":"REG","team":"Baltimore Orioles","values":{"ops_plus":153,"era_plus":67},"rowScope":"team"}],"careerTotals":{"REG":{"ops_plus":78,"era_plus":115}},"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"}