{"sport":"mlb","slug":"kevin-baez","bio":{"fullName":"Kevin Baez","position":"SS","team":"NYM","heightInches":72,"weightLbs":160,"birthDate":"1967-01-10","rookieSeason":1990,"lastSeason":1993,"status":"RET","externalIds":{"mlbam":"110429","chadwick":"6dea5f27","retro":"baezk001","wikidata":"Q6395766"}},"draft":{"year":1988,"round":null,"pick":null,"team":null,"undrafted":false},"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":1990,"seasonType":"REG","team":"NYM","gamesPlayed":5,"values":{"g":5,"ab":12,"r":0,"h":2,"doubles":1,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":0,"so":0,"avg":0.167,"obp":0.167,"slg":0.25,"ops":0.417},"rowScope":"team"},{"season":1992,"seasonType":"REG","team":"NYM","gamesPlayed":6,"values":{"g":6,"ab":13,"r":0,"h":2,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":0,"so":0,"avg":0.154,"obp":0.154,"slg":0.154,"ops":0.308},"rowScope":"team"},{"season":1993,"seasonType":"REG","team":"NYM","gamesPlayed":52,"values":{"g":52,"ab":126,"r":10,"h":23,"doubles":9,"triples":0,"hr":0,"rbi":7,"sb":0,"bb":13,"so":17,"avg":0.183,"obp":0.259,"slg":0.254,"ops":0.513},"rowScope":"team"}],"careerTotals":{"REG":{"g":63,"ab":151,"r":10,"h":27,"doubles":10,"triples":0,"hr":0,"rbi":7,"sb":0,"bb":13,"so":17,"avg":0.179,"obp":0.244,"slg":0.245,"ops":0.489}}},{"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":1990,"seasonType":"REG","team":"NYM","values":{"ops_plus":17,"era_plus":null},"rowScope":"team"},{"season":1992,"seasonType":"REG","team":"NYM","values":{"ops_plus":-9,"era_plus":null},"rowScope":"team"},{"season":1993,"seasonType":"REG","team":"NYM","values":{"ops_plus":44,"era_plus":null},"rowScope":"team"}],"careerTotals":{"REG":{"ops_plus":37,"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":"2026-07-03T02:37:06.742Z"}