{"sport":"mlb","slug":"mike-mitchell","bio":{"fullName":"Mike Mitchell","position":"RF","team":"MIN","heightInches":73,"weightLbs":185,"birthDate":"1879-12-12","rookieSeason":1907,"lastSeason":1914,"status":"RET","externalIds":{"mlbam":"119198","chadwick":"2d6a3c2f","retro":"mitcm102","wikidata":"Q6848056"}},"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":1907,"seasonType":"REG","team":"CIN","gamesPlayed":148,"values":{"g":148,"ab":558,"r":64,"h":163,"doubles":17,"triples":12,"hr":3,"rbi":47,"sb":17,"bb":37,"so":null,"avg":0.292,"obp":0.339,"slg":0.382,"ops":0.721},"rowScope":"team"},{"season":1908,"seasonType":"REG","team":"CIN","gamesPlayed":119,"values":{"g":119,"ab":406,"r":41,"h":90,"doubles":9,"triples":6,"hr":1,"rbi":37,"sb":18,"bb":46,"so":null,"avg":0.222,"obp":0.304,"slg":0.281,"ops":0.585},"rowScope":"team"},{"season":1909,"seasonType":"REG","team":"CIN","gamesPlayed":145,"values":{"g":145,"ab":523,"r":83,"h":162,"doubles":17,"triples":17,"hr":4,"rbi":86,"sb":37,"bb":57,"so":null,"avg":0.31,"obp":0.378,"slg":0.43,"ops":0.808},"rowScope":"team"},{"season":1910,"seasonType":"REG","team":"CIN","gamesPlayed":156,"values":{"g":156,"ab":583,"r":79,"h":167,"doubles":16,"triples":18,"hr":5,"rbi":88,"sb":35,"bb":59,"so":56,"avg":0.286,"obp":0.356,"slg":0.401,"ops":0.757},"rowScope":"team"},{"season":1911,"seasonType":"REG","team":"CIN","gamesPlayed":142,"values":{"g":142,"ab":529,"r":74,"h":154,"doubles":22,"triples":22,"hr":2,"rbi":84,"sb":35,"bb":44,"so":34,"avg":0.291,"obp":0.348,"slg":0.427,"ops":0.775},"rowScope":"team"},{"season":1912,"seasonType":"REG","team":"CIN","gamesPlayed":147,"values":{"g":147,"ab":552,"r":60,"h":156,"doubles":14,"triples":13,"hr":4,"rbi":78,"sb":23,"bb":41,"so":43,"avg":0.283,"obp":0.333,"slg":0.377,"ops":0.71},"rowScope":"team"},{"season":1913,"seasonType":"REG","gamesPlayed":137,"gamesStarted":null,"values":{"g":137,"ab":478,"r":62,"h":127,"doubles":19,"triples":8,"hr":5,"rbi":51,"sb":23,"bb":46,"so":48,"avg":0.266,"slg":0.37,"obp":null,"ops":null},"team":"TOT","rowScope":"total"},{"season":1913,"seasonType":"REG","team":"CHC","gamesPlayed":83,"values":{"g":83,"ab":279,"r":37,"h":73,"doubles":11,"triples":6,"hr":4,"rbi":35,"sb":15,"bb":32,"so":33,"avg":0.262,"obp":0.34,"slg":0.387,"ops":0.727},"rowScope":"team"},{"season":1913,"seasonType":"REG","team":"PIT","gamesPlayed":54,"values":{"g":54,"ab":199,"r":25,"h":54,"doubles":8,"triples":2,"hr":1,"rbi":16,"sb":8,"bb":14,"so":15,"avg":0.271,"obp":0.319,"slg":0.347,"ops":0.666},"rowScope":"team"},{"season":1914,"seasonType":"REG","gamesPlayed":131,"gamesStarted":null,"values":{"g":131,"ab":466,"r":51,"h":119,"doubles":16,"triples":8,"hr":3,"rbi":43,"sb":14,"bb":38,"so":35,"avg":0.255,"slg":0.343,"obp":null,"ops":null},"team":"TOT","rowScope":"total"},{"season":1914,"seasonType":"REG","team":"MIN","gamesPlayed":55,"values":{"g":55,"ab":193,"r":20,"h":55,"doubles":5,"triples":3,"hr":1,"rbi":20,"sb":9,"bb":22,"so":19,"avg":0.285,"obp":0.361,"slg":0.358,"ops":0.719},"rowScope":"team"},{"season":1914,"seasonType":"REG","team":"PIT","gamesPlayed":76,"values":{"g":76,"ab":273,"r":31,"h":64,"doubles":11,"triples":5,"hr":2,"rbi":23,"sb":5,"bb":16,"so":16,"avg":0.234,"obp":0.279,"slg":0.333,"ops":0.612},"rowScope":"team"}],"careerTotals":{"REG":{"g":1125,"ab":4095,"r":514,"h":1138,"doubles":130,"triples":104,"hr":27,"rbi":514,"sb":202,"bb":368,"so":216,"avg":0.278,"obp":0.34,"slg":0.38,"ops":0.72}}},{"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":1907,"seasonType":"REG","team":"CIN","values":{"ops_plus":135,"era_plus":null},"rowScope":"team"},{"season":1908,"seasonType":"REG","team":"CIN","values":{"ops_plus":94,"era_plus":null},"rowScope":"team"},{"season":1909,"seasonType":"REG","team":"CIN","values":{"ops_plus":161,"era_plus":null},"rowScope":"team"},{"season":1910,"seasonType":"REG","team":"CIN","values":{"ops_plus":128,"era_plus":null},"rowScope":"team"},{"season":1911,"seasonType":"REG","team":"CIN","values":{"ops_plus":125,"era_plus":null},"rowScope":"team"},{"season":1912,"seasonType":"REG","team":"CIN","values":{"ops_plus":101,"era_plus":null},"rowScope":"team"},{"season":1913,"seasonType":"REG","gamesPlayed":null,"gamesStarted":null,"values":{"ops_plus":null,"era_plus":null},"team":"TOT","rowScope":"total"},{"season":1913,"seasonType":"REG","team":"CHC","values":{"ops_plus":115,"era_plus":null},"rowScope":"team"},{"season":1913,"seasonType":"REG","team":"PIT","values":{"ops_plus":98,"era_plus":null},"rowScope":"team"},{"season":1914,"seasonType":"REG","gamesPlayed":null,"gamesStarted":null,"values":{"ops_plus":null,"era_plus":null},"team":"TOT","rowScope":"total"},{"season":1914,"seasonType":"REG","team":"MIN","values":{"ops_plus":125,"era_plus":null},"rowScope":"team"},{"season":1914,"seasonType":"REG","team":"PIT","values":{"ops_plus":89,"era_plus":null},"rowScope":"team"}],"careerTotals":{"REG":{"ops_plus":120,"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"}