{"sport":"mlb","slug":"bert-adams","bio":{"fullName":"Bert Adams","position":"C","team":"PHI","heightInches":73,"weightLbs":185,"birthDate":"1891-06-21","rookieSeason":1910,"lastSeason":1919,"status":"RET","externalIds":{"mlbam":"110055","chadwick":"f527ea76","retro":"adamb106","wikidata":"Q4894958"}},"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":1910,"seasonType":"REG","team":"CLE","gamesPlayed":5,"values":{"g":5,"ab":13,"r":1,"h":3,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":0,"so":null,"avg":0.231,"obp":0.231,"slg":0.231,"ops":0.462},"rowScope":"team"},{"season":1911,"seasonType":"REG","team":"CLE","gamesPlayed":2,"values":{"g":2,"ab":5,"r":0,"h":1,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":1,"so":null,"avg":0.2,"obp":0.333,"slg":0.2,"ops":0.533},"rowScope":"team"},{"season":1912,"seasonType":"REG","team":"CLE","gamesPlayed":20,"values":{"g":20,"ab":54,"r":5,"h":11,"doubles":2,"triples":1,"hr":0,"rbi":6,"sb":0,"bb":4,"so":null,"avg":0.204,"obp":0.259,"slg":0.278,"ops":0.537},"rowScope":"team"},{"season":1915,"seasonType":"REG","team":"PHI","gamesPlayed":24,"values":{"g":24,"ab":27,"r":1,"h":3,"doubles":0,"triples":0,"hr":0,"rbi":2,"sb":0,"bb":2,"so":3,"avg":0.111,"obp":0.172,"slg":0.111,"ops":0.283},"rowScope":"team"},{"season":1916,"seasonType":"REG","team":"PHI","gamesPlayed":11,"values":{"g":11,"ab":13,"r":2,"h":3,"doubles":0,"triples":0,"hr":0,"rbi":1,"sb":0,"bb":0,"so":3,"avg":0.231,"obp":0.231,"slg":0.231,"ops":0.462},"rowScope":"team"},{"season":1917,"seasonType":"REG","team":"PHI","gamesPlayed":43,"values":{"g":43,"ab":107,"r":4,"h":22,"doubles":4,"triples":1,"hr":1,"rbi":7,"sb":0,"bb":0,"so":20,"avg":0.206,"obp":0.206,"slg":0.29,"ops":0.496},"rowScope":"team"},{"season":1918,"seasonType":"REG","team":"PHI","gamesPlayed":84,"values":{"g":84,"ab":227,"r":10,"h":40,"doubles":4,"triples":0,"hr":0,"rbi":12,"sb":5,"bb":10,"so":26,"avg":0.176,"obp":0.214,"slg":0.194,"ops":0.408},"rowScope":"team"},{"season":1919,"seasonType":"REG","team":"PHI","gamesPlayed":78,"values":{"g":78,"ab":232,"r":14,"h":54,"doubles":7,"triples":2,"hr":1,"rbi":17,"sb":4,"bb":6,"so":27,"avg":0.233,"obp":0.252,"slg":0.293,"ops":0.545},"rowScope":"team"}],"careerTotals":{"REG":{"g":267,"ab":678,"r":37,"h":137,"doubles":17,"triples":4,"hr":2,"rbi":45,"sb":9,"bb":23,"so":79,"avg":0.202,"obp":0.229,"slg":0.248,"ops":0.477}}},{"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":1910,"seasonType":"REG","team":"CLE","values":{"ops_plus":50,"era_plus":null},"rowScope":"team"},{"season":1911,"seasonType":"REG","team":"CLE","values":{"ops_plus":57,"era_plus":null},"rowScope":"team"},{"season":1912,"seasonType":"REG","team":"CLE","values":{"ops_plus":59,"era_plus":null},"rowScope":"team"},{"season":1915,"seasonType":"REG","team":"PHI","values":{"ops_plus":-10,"era_plus":null},"rowScope":"team"},{"season":1916,"seasonType":"REG","team":"PHI","values":{"ops_plus":48,"era_plus":null},"rowScope":"team"},{"season":1917,"seasonType":"REG","team":"PHI","values":{"ops_plus":57,"era_plus":null},"rowScope":"team"},{"season":1918,"seasonType":"REG","team":"PHI","values":{"ops_plus":28,"era_plus":null},"rowScope":"team"},{"season":1919,"seasonType":"REG","team":"PHI","values":{"ops_plus":69,"era_plus":null},"rowScope":"team"}],"careerTotals":{"REG":{"ops_plus":49,"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":"2026-07-03T07:40:28.886Z"}