{"sport":"mlb","slug":"harvey-russell","bio":{"fullName":"Harvey Russell","position":"C","team":null,"heightInches":70,"weightLbs":163,"birthDate":"1887-01-10","rookieSeason":1914,"lastSeason":1915,"status":"RET","externalIds":{"mlbam":"121566","chadwick":"da833b5a","retro":"russh101","wikidata":"Q5677553"}},"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":1914,"seasonType":"REG","team":"Baltimore Terrapins","gamesPlayed":81,"values":{"g":81,"ab":168,"r":18,"h":39,"doubles":3,"triples":2,"hr":0,"rbi":13,"sb":2,"bb":18,"so":17,"avg":0.232,"obp":0.31,"slg":0.274,"ops":0.584},"rowScope":"team"},{"season":1915,"seasonType":"REG","team":"Baltimore Terrapins","gamesPlayed":53,"values":{"g":53,"ab":73,"r":5,"h":19,"doubles":1,"triples":2,"hr":0,"rbi":11,"sb":1,"bb":14,"so":5,"avg":0.26,"obp":0.407,"slg":0.329,"ops":0.736},"rowScope":"team"}],"careerTotals":{"REG":{"g":134,"ab":241,"r":23,"h":58,"doubles":4,"triples":4,"hr":0,"rbi":24,"sb":3,"bb":32,"so":22,"avg":0.241,"obp":0.342,"slg":0.29,"ops":0.632}}},{"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":1914,"seasonType":"REG","team":"Baltimore Terrapins","values":{"ops_plus":72,"era_plus":null},"rowScope":"team"},{"season":1915,"seasonType":"REG","team":"Baltimore Terrapins","values":{"ops_plus":117,"era_plus":null},"rowScope":"team"}],"careerTotals":{"REG":{"ops_plus":85,"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":"2026-07-03T07:50:50.720Z"}