{"sport":"mlb","slug":"ken-aspromonte","bio":{"fullName":"Ken Aspromonte","position":"2B","team":"CHC","heightInches":72,"weightLbs":180,"birthDate":"1931-09-22","rookieSeason":1957,"lastSeason":1963,"status":"RET","externalIds":{"mlbam":"110355","chadwick":"a72ada33","retro":"asprk101","wikidata":"Q3195013"}},"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":1957,"seasonType":"REG","team":"BOS","gamesPlayed":24,"values":{"g":24,"ab":78,"r":9,"h":21,"doubles":5,"triples":0,"hr":0,"rbi":4,"sb":0,"bb":17,"so":10,"avg":0.269,"obp":0.396,"slg":0.333,"ops":0.729},"rowScope":"team"},{"season":1958,"seasonType":"REG","gamesPlayed":98,"gamesStarted":null,"values":{"g":98,"ab":269,"r":15,"h":59,"doubles":9,"triples":1,"hr":5,"rbi":27,"sb":1,"bb":28,"so":29,"avg":0.219,"slg":0.316,"obp":null,"ops":null},"team":"TOT","rowScope":"total"},{"season":1958,"seasonType":"REG","team":"BOS","gamesPlayed":6,"values":{"g":6,"ab":16,"r":0,"h":2,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":3,"so":1,"avg":0.125,"obp":0.263,"slg":0.125,"ops":0.388},"rowScope":"team"},{"season":1958,"seasonType":"REG","team":"MIN","gamesPlayed":92,"values":{"g":92,"ab":253,"r":15,"h":57,"doubles":9,"triples":1,"hr":5,"rbi":27,"sb":1,"bb":25,"so":28,"avg":0.225,"obp":0.296,"slg":0.328,"ops":0.624},"rowScope":"team"},{"season":1959,"seasonType":"REG","team":"MIN","gamesPlayed":70,"values":{"g":70,"ab":225,"r":31,"h":55,"doubles":12,"triples":0,"hr":2,"rbi":14,"sb":2,"bb":26,"so":39,"avg":0.244,"obp":0.321,"slg":0.324,"ops":0.645},"rowScope":"team"},{"season":1960,"seasonType":"REG","gamesPlayed":121,"gamesStarted":null,"values":{"g":121,"ab":462,"r":65,"h":133,"doubles":20,"triples":1,"hr":10,"rbi":48,"sb":4,"bb":53,"so":33,"avg":0.288,"slg":0.4,"obp":null,"ops":null},"team":"TOT","rowScope":"total"},{"season":1960,"seasonType":"REG","team":"CLE","gamesPlayed":117,"values":{"g":117,"ab":459,"r":65,"h":133,"doubles":20,"triples":1,"hr":10,"rbi":48,"sb":4,"bb":53,"so":32,"avg":0.29,"obp":0.364,"slg":0.403,"ops":0.767},"rowScope":"team"},{"season":1960,"seasonType":"REG","team":"MIN","gamesPlayed":4,"values":{"g":4,"ab":3,"r":0,"h":0,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":0,"so":1,"avg":0,"obp":0,"slg":0,"ops":0},"rowScope":"team"},{"season":1961,"seasonType":"REG","gamesPlayed":88,"gamesStarted":null,"values":{"g":88,"ab":308,"r":34,"h":69,"doubles":16,"triples":1,"hr":2,"rbi":19,"sb":0,"bb":39,"so":24,"avg":0.224,"slg":0.302,"obp":null,"ops":null},"team":"TOT","rowScope":"total"},{"season":1961,"seasonType":"REG","team":"CLE","gamesPlayed":22,"values":{"g":22,"ab":70,"r":5,"h":16,"doubles":6,"triples":1,"hr":0,"rbi":5,"sb":0,"bb":6,"so":3,"avg":0.229,"obp":0.286,"slg":0.343,"ops":0.629},"rowScope":"team"},{"season":1961,"seasonType":"REG","team":"LAA","gamesPlayed":66,"values":{"g":66,"ab":238,"r":29,"h":53,"doubles":10,"triples":0,"hr":2,"rbi":14,"sb":0,"bb":33,"so":21,"avg":0.223,"obp":0.322,"slg":0.29,"ops":0.612},"rowScope":"team"},{"season":1962,"seasonType":"REG","gamesPlayed":54,"gamesStarted":null,"values":{"g":54,"ab":107,"r":15,"h":27,"doubles":4,"triples":0,"hr":0,"rbi":8,"sb":0,"bb":12,"so":10,"avg":0.252,"slg":0.29,"obp":null,"ops":null},"team":"TOT","rowScope":"total"},{"season":1962,"seasonType":"REG","team":"ATL","gamesPlayed":34,"values":{"g":34,"ab":79,"r":11,"h":23,"doubles":2,"triples":0,"hr":0,"rbi":7,"sb":0,"bb":6,"so":5,"avg":0.291,"obp":0.341,"slg":0.316,"ops":0.657},"rowScope":"team"},{"season":1962,"seasonType":"REG","team":"CLE","gamesPlayed":20,"values":{"g":20,"ab":28,"r":4,"h":4,"doubles":2,"triples":0,"hr":0,"rbi":1,"sb":0,"bb":6,"so":5,"avg":0.143,"obp":0.286,"slg":0.214,"ops":0.5},"rowScope":"team"},{"season":1963,"seasonType":"REG","team":"CHC","gamesPlayed":20,"values":{"g":20,"ab":34,"r":2,"h":5,"doubles":3,"triples":0,"hr":0,"rbi":4,"sb":0,"bb":4,"so":4,"avg":0.147,"obp":0.237,"slg":0.235,"ops":0.472},"rowScope":"team"}],"careerTotals":{"REG":{"g":475,"ab":1483,"r":171,"h":369,"doubles":69,"triples":3,"hr":19,"rbi":124,"sb":7,"bb":179,"so":149,"avg":0.249,"obp":0.33,"slg":0.338,"ops":0.668}}},{"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":1957,"seasonType":"REG","team":"BOS","values":{"ops_plus":109,"era_plus":null},"rowScope":"team"},{"season":1958,"seasonType":"REG","gamesPlayed":null,"gamesStarted":null,"values":{"ops_plus":null,"era_plus":null},"team":"TOT","rowScope":"total"},{"season":1958,"seasonType":"REG","team":"BOS","values":{"ops_plus":14,"era_plus":null},"rowScope":"team"},{"season":1958,"seasonType":"REG","team":"MIN","values":{"ops_plus":78,"era_plus":null},"rowScope":"team"},{"season":1959,"seasonType":"REG","team":"MIN","values":{"ops_plus":86,"era_plus":null},"rowScope":"team"},{"season":1960,"seasonType":"REG","gamesPlayed":null,"gamesStarted":null,"values":{"ops_plus":null,"era_plus":null},"team":"TOT","rowScope":"total"},{"season":1960,"seasonType":"REG","team":"CLE","values":{"ops_plus":116,"era_plus":null},"rowScope":"team"},{"season":1960,"seasonType":"REG","team":"MIN","values":{"ops_plus":-100,"era_plus":null},"rowScope":"team"},{"season":1961,"seasonType":"REG","gamesPlayed":null,"gamesStarted":null,"values":{"ops_plus":null,"era_plus":null},"team":"TOT","rowScope":"total"},{"season":1961,"seasonType":"REG","team":"CLE","values":{"ops_plus":73,"era_plus":null},"rowScope":"team"},{"season":1961,"seasonType":"REG","team":"LAA","values":{"ops_plus":69,"era_plus":null},"rowScope":"team"},{"season":1962,"seasonType":"REG","gamesPlayed":null,"gamesStarted":null,"values":{"ops_plus":null,"era_plus":null},"team":"TOT","rowScope":"total"},{"season":1962,"seasonType":"REG","team":"ATL","values":{"ops_plus":85,"era_plus":null},"rowScope":"team"},{"season":1962,"seasonType":"REG","team":"CLE","values":{"ops_plus":51,"era_plus":null},"rowScope":"team"},{"season":1963,"seasonType":"REG","team":"CHC","values":{"ops_plus":41,"era_plus":null},"rowScope":"team"}],"careerTotals":{"REG":{"ops_plus":89,"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":"2026-07-03T03:10:36.276Z"}