{"sport":"mlb","slug":"walt-alexander","bio":{"fullName":"Walt Alexander","position":"C","team":"NYY","heightInches":71,"weightLbs":165,"birthDate":"1891-03-05","rookieSeason":1912,"lastSeason":1917,"status":"RET","externalIds":{"mlbam":"110132","chadwick":"1237b95a","retro":"alexw101"}},"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":1912,"seasonType":"REG","team":"BAL","gamesPlayed":37,"values":{"g":37,"ab":97,"r":5,"h":17,"doubles":4,"triples":0,"hr":0,"rbi":5,"sb":1,"bb":8,"so":null,"avg":0.175,"obp":0.245,"slg":0.216,"ops":0.461},"rowScope":"team"},{"season":1913,"seasonType":"REG","team":"BAL","gamesPlayed":43,"values":{"g":43,"ab":110,"r":5,"h":15,"doubles":2,"triples":1,"hr":0,"rbi":7,"sb":1,"bb":4,"so":36,"avg":0.136,"obp":0.174,"slg":0.173,"ops":0.347},"rowScope":"team"},{"season":1915,"seasonType":"REG","gamesPlayed":26,"gamesStarted":null,"values":{"g":26,"ab":69,"r":7,"h":17,"doubles":4,"triples":0,"hr":1,"rbi":5,"sb":2,"bb":13,"so":16,"avg":0.246,"slg":0.348,"obp":null,"ops":null},"team":"TOT","rowScope":"total"},{"season":1915,"seasonType":"REG","team":"BAL","gamesPlayed":1,"values":{"g":1,"ab":1,"r":0,"h":0,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":0,"so":0,"avg":0,"obp":0,"slg":0,"ops":0},"rowScope":"team"},{"season":1915,"seasonType":"REG","team":"NYY","gamesPlayed":25,"values":{"g":25,"ab":68,"r":7,"h":17,"doubles":4,"triples":0,"hr":1,"rbi":5,"sb":2,"bb":13,"so":16,"avg":0.25,"obp":0.37,"slg":0.353,"ops":0.723},"rowScope":"team"},{"season":1916,"seasonType":"REG","team":"NYY","gamesPlayed":36,"values":{"g":36,"ab":78,"r":8,"h":20,"doubles":6,"triples":1,"hr":0,"rbi":3,"sb":0,"bb":13,"so":20,"avg":0.256,"obp":0.376,"slg":0.359,"ops":0.735},"rowScope":"team"},{"season":1917,"seasonType":"REG","team":"NYY","gamesPlayed":20,"values":{"g":20,"ab":51,"r":1,"h":7,"doubles":2,"triples":1,"hr":0,"rbi":4,"sb":1,"bb":4,"so":11,"avg":0.137,"obp":0.2,"slg":0.216,"ops":0.416},"rowScope":"team"}],"careerTotals":{"REG":{"g":162,"ab":405,"r":26,"h":76,"doubles":18,"triples":3,"hr":1,"rbi":24,"sb":5,"bb":42,"so":83,"avg":0.188,"obp":0.271,"slg":0.254,"ops":0.525}}},{"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":1912,"seasonType":"REG","team":"BAL","values":{"ops_plus":35,"era_plus":null},"rowScope":"team"},{"season":1913,"seasonType":"REG","team":"BAL","values":{"ops_plus":4,"era_plus":null},"rowScope":"team"},{"season":1915,"seasonType":"REG","gamesPlayed":null,"gamesStarted":null,"values":{"ops_plus":null,"era_plus":null},"team":"TOT","rowScope":"total"},{"season":1915,"seasonType":"REG","team":"BAL","values":{"ops_plus":-100,"era_plus":null},"rowScope":"team"},{"season":1915,"seasonType":"REG","team":"NYY","values":{"ops_plus":124,"era_plus":null},"rowScope":"team"},{"season":1916,"seasonType":"REG","team":"NYY","values":{"ops_plus":125,"era_plus":null},"rowScope":"team"},{"season":1917,"seasonType":"REG","team":"NYY","values":{"ops_plus":31,"era_plus":null},"rowScope":"team"}],"careerTotals":{"REG":{"ops_plus":58,"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"}