{"sport":"mlb","slug":"kevin-bell","bio":{"fullName":"Kevin Bell","position":"3B","team":"ATH","heightInches":72,"weightLbs":195,"birthDate":"1955-07-13","rookieSeason":1976,"lastSeason":1982,"status":"RET","externalIds":{"mlbam":"110830","chadwick":"933aaee5","retro":"bellk101","wikidata":"Q6395822"}},"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":1976,"seasonType":"REG","team":"CWS","gamesPlayed":68,"values":{"g":68,"ab":230,"r":24,"h":57,"doubles":7,"triples":6,"hr":5,"rbi":20,"sb":2,"bb":18,"so":56,"avg":0.248,"obp":0.302,"slg":0.396,"ops":0.698},"rowScope":"team"},{"season":1977,"seasonType":"REG","team":"CWS","gamesPlayed":9,"values":{"g":9,"ab":28,"r":4,"h":5,"doubles":1,"triples":0,"hr":1,"rbi":6,"sb":0,"bb":3,"so":8,"avg":0.179,"obp":0.25,"slg":0.321,"ops":0.571},"rowScope":"team"},{"season":1978,"seasonType":"REG","team":"CWS","gamesPlayed":54,"values":{"g":54,"ab":68,"r":9,"h":13,"doubles":0,"triples":0,"hr":2,"rbi":5,"sb":1,"bb":5,"so":19,"avg":0.191,"obp":0.257,"slg":0.279,"ops":0.536},"rowScope":"team"},{"season":1979,"seasonType":"REG","team":"CWS","gamesPlayed":70,"values":{"g":70,"ab":200,"r":20,"h":49,"doubles":8,"triples":1,"hr":4,"rbi":22,"sb":2,"bb":15,"so":43,"avg":0.245,"obp":0.296,"slg":0.355,"ops":0.651},"rowScope":"team"},{"season":1980,"seasonType":"REG","team":"CWS","gamesPlayed":92,"values":{"g":92,"ab":191,"r":16,"h":34,"doubles":5,"triples":2,"hr":1,"rbi":11,"sb":0,"bb":29,"so":37,"avg":0.178,"obp":0.284,"slg":0.241,"ops":0.525},"rowScope":"team"},{"season":1982,"seasonType":"REG","team":"ATH","gamesPlayed":4,"values":{"g":4,"ab":9,"r":1,"h":3,"doubles":1,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":0,"so":2,"avg":0.333,"obp":0.333,"slg":0.444,"ops":0.777},"rowScope":"team"}],"careerTotals":{"REG":{"g":297,"ab":726,"r":74,"h":161,"doubles":22,"triples":9,"hr":13,"rbi":64,"sb":5,"bb":70,"so":165,"avg":0.222,"obp":0.289,"slg":0.331,"ops":0.62}}},{"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":1976,"seasonType":"REG","team":"CWS","values":{"ops_plus":104,"era_plus":null},"rowScope":"team"},{"season":1977,"seasonType":"REG","team":"CWS","values":{"ops_plus":56,"era_plus":null},"rowScope":"team"},{"season":1978,"seasonType":"REG","team":"CWS","values":{"ops_plus":49,"era_plus":null},"rowScope":"team"},{"season":1979,"seasonType":"REG","team":"CWS","values":{"ops_plus":76,"era_plus":null},"rowScope":"team"},{"season":1980,"seasonType":"REG","team":"CWS","values":{"ops_plus":48,"era_plus":null},"rowScope":"team"},{"season":1982,"seasonType":"REG","team":"ATH","values":{"ops_plus":124,"era_plus":null},"rowScope":"team"}],"careerTotals":{"REG":{"ops_plus":74,"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":"2026-07-03T02:49:47.141Z"}