{"sport":"mlb","slug":"larry-mckeon","bio":{"fullName":"Larry McKeon","position":"P","team":"CIN","heightInches":70,"weightLbs":168,"birthDate":"1866-03-25","rookieSeason":1884,"lastSeason":1886,"status":"RET","externalIds":{"mlbam":"118780","chadwick":"91d22fd2","retro":"mckel101","wikidata":"Q6490783"}},"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":1884,"seasonType":"REG","team":"Indianapolis Blues","gamesPlayed":70,"values":{"g":70,"ab":250,"r":29,"h":53,"doubles":8,"triples":1,"hr":0,"rbi":null,"sb":null,"bb":1,"so":null,"avg":0.212,"obp":0.215,"slg":0.252,"ops":0.467},"rowScope":"team"},{"season":1885,"seasonType":"REG","team":"CIN","gamesPlayed":33,"values":{"g":33,"ab":121,"r":14,"h":20,"doubles":3,"triples":1,"hr":0,"rbi":8,"sb":null,"bb":0,"so":null,"avg":0.165,"obp":0.165,"slg":0.207,"ops":0.372},"rowScope":"team"},{"season":1886,"seasonType":"REG","gamesPlayed":22,"gamesStarted":null,"values":{"g":22,"ab":84,"r":9,"h":19,"doubles":2,"triples":3,"hr":0,"rbi":9,"sb":0,"bb":0,"so":2,"avg":0.226,"slg":0.321,"obp":null,"ops":null},"team":"TOT","rowScope":"total"},{"season":1886,"seasonType":"REG","team":"CIN","gamesPlayed":19,"values":{"g":19,"ab":75,"r":9,"h":19,"doubles":2,"triples":3,"hr":0,"rbi":9,"sb":0,"bb":0,"so":null,"avg":0.253,"obp":0.253,"slg":0.36,"ops":0.613},"rowScope":"team"},{"season":1886,"seasonType":"REG","team":"Kansas City Cowboys","gamesPlayed":3,"values":{"g":3,"ab":9,"r":0,"h":0,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":0,"so":2,"avg":0,"obp":null,"slg":0,"ops":null},"rowScope":"team"}],"careerTotals":{"REG":{"g":125,"ab":455,"r":52,"h":92,"doubles":13,"triples":5,"hr":0,"rbi":17,"sb":0,"bb":1,"so":2,"avg":0.202,"obp":0.204,"slg":0.253,"ops":0.457}}},{"id":"pitching","label":"Pitching","columns":[{"key":"g"},{"key":"gs"},{"key":"w"},{"key":"l"},{"key":"sv"},{"key":"ip"},{"key":"so"},{"key":"bb"},{"key":"h"},{"key":"er"},{"key":"hr"},{"key":"era"},{"key":"whip"}],"rows":[{"season":1884,"seasonType":"REG","team":"Indianapolis Blues","gamesPlayed":61,"values":{"g":61,"gs":60,"w":18,"l":41,"sv":0,"ip":512,"so":308,"bb":94,"h":488,"er":199,"hr":20,"era":3.5,"whip":1.14},"rowScope":"team"},{"season":1885,"seasonType":"REG","team":"CIN","gamesPlayed":33,"values":{"g":33,"gs":33,"w":20,"l":13,"sv":0,"ip":290,"so":117,"bb":50,"h":273,"er":92,"hr":5,"era":2.86,"whip":1.11},"rowScope":"team"},{"season":1886,"seasonType":"REG","gamesPlayed":22,"gamesStarted":null,"values":{"g":22,"gs":22,"w":8,"l":10,"sv":0,"so":49,"bb":62,"h":218,"er":113,"hr":6,"ip":177,"era":5.75,"whip":1.58},"team":"TOT","rowScope":"total"},{"season":1886,"seasonType":"REG","team":"CIN","gamesPlayed":19,"values":{"g":19,"gs":19,"w":8,"l":8,"sv":0,"ip":156,"so":46,"bb":54,"h":174,"er":88,"hr":6,"era":5.08,"whip":1.46},"rowScope":"team"},{"season":1886,"seasonType":"REG","team":"Kansas City Cowboys","gamesPlayed":3,"values":{"g":3,"gs":3,"w":0,"l":2,"sv":0,"ip":21,"so":3,"bb":8,"h":44,"er":25,"hr":0,"era":10.71,"whip":2.48},"rowScope":"team"}],"careerTotals":{"REG":{"g":116,"gs":115,"w":46,"l":64,"sv":0,"ip":979,"so":474,"bb":206,"h":979,"er":404,"hr":31,"era":3.71,"whip":1.21}}},{"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":1884,"seasonType":"REG","team":"Indianapolis Blues","values":{"ops_plus":56,"era_plus":91},"rowScope":"team"},{"season":1885,"seasonType":"REG","team":"CIN","values":{"ops_plus":22,"era_plus":102},"rowScope":"team"},{"season":1886,"seasonType":"REG","gamesPlayed":null,"gamesStarted":null,"values":{"ops_plus":null,"era_plus":null},"team":"TOT","rowScope":"total"},{"season":1886,"seasonType":"REG","team":"CIN","values":{"ops_plus":89,"era_plus":65},"rowScope":"team"},{"season":1886,"seasonType":"REG","team":"Kansas City Cowboys","values":{"ops_plus":-100,"era_plus":31},"rowScope":"team"}],"careerTotals":{"REG":{"ops_plus":50,"era_plus":85}},"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":"2026-07-03T08:11:48.216Z"}