{"sport":"mlb","slug":"jaime-cocanower","bio":{"fullName":"Jaime Cocanower","position":"P","team":"MIL","heightInches":76,"weightLbs":200,"birthDate":"1957-02-14","rookieSeason":1983,"lastSeason":1986,"status":"RET","externalIds":{"mlbam":"112433","chadwick":"e4be1d4d","retro":"cocaj001","wikidata":"Q6123710"}},"draft":null,"statTables":[{"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":1983,"seasonType":"REG","team":"MIL","gamesPlayed":5,"values":{"g":5,"gs":3,"w":2,"l":0,"sv":0,"ip":30,"so":8,"bb":12,"h":21,"er":6,"hr":1,"era":1.8,"whip":1.1},"rowScope":"team"},{"season":1984,"seasonType":"REG","team":"MIL","gamesPlayed":33,"values":{"g":33,"gs":27,"w":8,"l":16,"sv":0,"ip":174.2,"so":65,"bb":78,"h":188,"er":78,"hr":13,"era":4.02,"whip":1.52},"rowScope":"team"},{"season":1985,"seasonType":"REG","team":"MIL","gamesPlayed":24,"values":{"g":24,"gs":15,"w":6,"l":8,"sv":0,"ip":116.1,"so":44,"bb":73,"h":122,"er":56,"hr":6,"era":4.33,"whip":1.68},"rowScope":"team"},{"season":1986,"seasonType":"REG","team":"MIL","gamesPlayed":17,"values":{"g":17,"gs":2,"w":0,"l":1,"sv":0,"ip":44.2,"so":22,"bb":38,"h":40,"er":22,"hr":1,"era":4.43,"whip":1.75},"rowScope":"team"}],"careerTotals":{"REG":{"g":79,"gs":47,"w":16,"l":25,"sv":0,"ip":365.2,"so":139,"bb":201,"h":371,"er":162,"hr":21,"era":3.99,"whip":1.56}}},{"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":1983,"seasonType":"REG","team":"MIL","values":{"ops_plus":null,"era_plus":205},"rowScope":"team"},{"season":1984,"seasonType":"REG","team":"MIL","values":{"ops_plus":null,"era_plus":91},"rowScope":"team"},{"season":1985,"seasonType":"REG","team":"MIL","values":{"ops_plus":null,"era_plus":83},"rowScope":"team"},{"season":1986,"seasonType":"REG","team":"MIL","values":{"ops_plus":null,"era_plus":85},"rowScope":"team"}],"careerTotals":{"REG":{"ops_plus":null,"era_plus":92}},"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"}