{"sport":"mlb","slug":"charlie-babb","bio":{"fullName":"Charlie Babb","position":"SS","team":"LAD","heightInches":70,"weightLbs":165,"birthDate":"1873-02-20","rookieSeason":1903,"lastSeason":1905,"status":"RET","externalIds":{"mlbam":"110412","chadwick":"c3b02e04","retro":"babbc101","wikidata":"Q5084473"}},"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":1903,"seasonType":"REG","team":"SF","gamesPlayed":121,"values":{"g":121,"ab":424,"r":68,"h":105,"doubles":15,"triples":8,"hr":0,"rbi":46,"sb":22,"bb":45,"so":null,"avg":0.248,"obp":0.35,"slg":0.321,"ops":0.671},"rowScope":"team"},{"season":1904,"seasonType":"REG","team":"LAD","gamesPlayed":151,"values":{"g":151,"ab":521,"r":49,"h":138,"doubles":18,"triples":3,"hr":0,"rbi":53,"sb":34,"bb":53,"so":null,"avg":0.265,"obp":0.345,"slg":0.311,"ops":0.656},"rowScope":"team"},{"season":1905,"seasonType":"REG","team":"LAD","gamesPlayed":76,"values":{"g":76,"ab":235,"r":27,"h":44,"doubles":8,"triples":2,"hr":0,"rbi":17,"sb":10,"bb":27,"so":null,"avg":0.187,"obp":0.303,"slg":0.238,"ops":0.541},"rowScope":"team"}],"careerTotals":{"REG":{"g":348,"ab":1180,"r":144,"h":287,"doubles":41,"triples":13,"hr":0,"rbi":116,"sb":66,"bb":125,"so":null,"avg":0.243,"obp":0.339,"slg":0.3,"ops":0.639}}},{"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":1903,"seasonType":"REG","team":"SF","values":{"ops_plus":91,"era_plus":null},"rowScope":"team"},{"season":1904,"seasonType":"REG","team":"LAD","values":{"ops_plus":107,"era_plus":null},"rowScope":"team"},{"season":1905,"seasonType":"REG","team":"LAD","values":{"ops_plus":60,"era_plus":null},"rowScope":"team"}],"careerTotals":{"REG":{"ops_plus":92,"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":"2026-07-03T08:01:23.026Z"}