{"sport":"mlb","slug":"mike-caruso","bio":{"fullName":"Mike Caruso","position":"SS","team":"KC","heightInches":73,"weightLbs":172,"birthDate":"1977-05-27","rookieSeason":1998,"lastSeason":2002,"status":"RET","externalIds":{"mlbam":"134267","chadwick":"3529e4ea","retro":"carum001","wikidata":"Q6846273"}},"draft":{"year":1996,"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":1998,"seasonType":"REG","team":"CWS","gamesPlayed":133,"values":{"g":133,"ab":523,"r":81,"h":160,"doubles":17,"triples":6,"hr":5,"rbi":55,"sb":22,"bb":14,"so":38,"avg":0.306,"obp":0.331,"slg":0.39,"ops":0.721},"rowScope":"team"},{"season":1999,"seasonType":"REG","team":"CWS","gamesPlayed":136,"values":{"g":136,"ab":529,"r":60,"h":132,"doubles":11,"triples":4,"hr":2,"rbi":35,"sb":12,"bb":20,"so":36,"avg":0.25,"obp":0.28,"slg":0.297,"ops":0.577},"rowScope":"team"},{"season":2002,"seasonType":"REG","team":"KC","gamesPlayed":12,"values":{"g":12,"ab":20,"r":3,"h":2,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":1,"so":2,"avg":0.1,"obp":0.143,"slg":0.1,"ops":0.243},"rowScope":"team"}],"careerTotals":{"REG":{"g":281,"ab":1072,"r":144,"h":294,"doubles":28,"triples":10,"hr":7,"rbi":90,"sb":34,"bb":35,"so":76,"avg":0.274,"obp":0.302,"slg":0.339,"ops":0.641}}},{"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":1998,"seasonType":"REG","team":"CWS","values":{"ops_plus":86,"era_plus":null},"rowScope":"team"},{"season":1999,"seasonType":"REG","team":"CWS","values":{"ops_plus":49,"era_plus":null},"rowScope":"team"},{"season":2002,"seasonType":"REG","team":"KC","values":{"ops_plus":-33,"era_plus":null},"rowScope":"team"}],"careerTotals":{"REG":{"ops_plus":66,"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":"2026-07-03T02:16:20.189Z"}