{"sport":"mlb","slug":"bill-sweeney","bio":{"fullName":"Bill Sweeney","position":"1B","team":"BOS","heightInches":71,"weightLbs":180,"birthDate":"1904-12-29","rookieSeason":1928,"lastSeason":1931,"status":"RET","externalIds":{"mlbam":"123045","chadwick":"0d1f4c28","retro":"sweeb101","wikidata":"Q4911080"}},"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":1928,"seasonType":"REG","team":"DET","gamesPlayed":89,"values":{"g":89,"ab":309,"r":47,"h":78,"doubles":15,"triples":5,"hr":0,"rbi":19,"sb":12,"bb":15,"so":28,"avg":0.252,"obp":0.287,"slg":0.333,"ops":0.62},"rowScope":"team"},{"season":1930,"seasonType":"REG","team":"BOS","gamesPlayed":88,"values":{"g":88,"ab":243,"r":32,"h":75,"doubles":13,"triples":0,"hr":4,"rbi":30,"sb":5,"bb":9,"so":15,"avg":0.309,"obp":0.333,"slg":0.412,"ops":0.745},"rowScope":"team"},{"season":1931,"seasonType":"REG","team":"BOS","gamesPlayed":131,"values":{"g":131,"ab":498,"r":48,"h":147,"doubles":30,"triples":3,"hr":1,"rbi":58,"sb":5,"bb":20,"so":30,"avg":0.295,"obp":0.322,"slg":0.373,"ops":0.695},"rowScope":"team"}],"careerTotals":{"REG":{"g":308,"ab":1050,"r":127,"h":300,"doubles":58,"triples":8,"hr":5,"rbi":107,"sb":22,"bb":44,"so":73,"avg":0.286,"obp":0.314,"slg":0.37,"ops":0.684}}},{"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":1928,"seasonType":"REG","team":"DET","values":{"ops_plus":68,"era_plus":null},"rowScope":"team"},{"season":1930,"seasonType":"REG","team":"BOS","values":{"ops_plus":94,"era_plus":null},"rowScope":"team"},{"season":1931,"seasonType":"REG","team":"BOS","values":{"ops_plus":90,"era_plus":null},"rowScope":"team"}],"careerTotals":{"REG":{"ops_plus":85,"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":"2026-07-03T07:19:43.364Z"}