{"sport":"mlb","slug":"joe-werrick","bio":{"fullName":"Joe Werrick","position":"3B","team":null,"heightInches":69,"weightLbs":151,"birthDate":"1861-10-25","rookieSeason":1884,"lastSeason":1888,"status":"RET","externalIds":{"mlbam":"124097","chadwick":"4d37117a","retro":"werrj101","wikidata":"Q6212948"}},"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":"St. Paul Saints","gamesPlayed":9,"values":{"g":9,"ab":27,"r":3,"h":2,"doubles":0,"triples":0,"hr":0,"rbi":null,"sb":null,"bb":1,"so":null,"avg":0.074,"obp":null,"slg":0.074,"ops":null},"rowScope":"team"},{"season":1886,"seasonType":"REG","team":"Louisville Colonels","gamesPlayed":136,"values":{"g":136,"ab":561,"r":75,"h":140,"doubles":20,"triples":14,"hr":3,"rbi":62,"sb":19,"bb":33,"so":null,"avg":0.25,"obp":0.294,"slg":0.351,"ops":0.645},"rowScope":"team"},{"season":1887,"seasonType":"REG","team":"Louisville Colonels","gamesPlayed":136,"values":{"g":136,"ab":533,"r":90,"h":152,"doubles":21,"triples":13,"hr":7,"rbi":99,"sb":49,"bb":38,"so":null,"avg":0.285,"obp":0.336,"slg":0.413,"ops":0.749},"rowScope":"team"},{"season":1888,"seasonType":"REG","team":"Louisville Colonels","gamesPlayed":111,"values":{"g":111,"ab":413,"r":49,"h":89,"doubles":12,"triples":7,"hr":0,"rbi":51,"sb":15,"bb":30,"so":null,"avg":0.215,"obp":0.274,"slg":0.278,"ops":0.552},"rowScope":"team"}],"careerTotals":{"REG":{"g":392,"ab":1534,"r":217,"h":383,"doubles":53,"triples":34,"hr":10,"rbi":212,"sb":83,"bb":102,"so":null,"avg":0.25,"obp":0.3,"slg":0.348,"ops":0.648}}},{"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":"St. Paul Saints","values":{"ops_plus":-35,"era_plus":null},"rowScope":"team"},{"season":1886,"seasonType":"REG","team":"Louisville Colonels","values":{"ops_plus":99,"era_plus":null},"rowScope":"team"},{"season":1887,"seasonType":"REG","team":"Louisville Colonels","values":{"ops_plus":114,"era_plus":null},"rowScope":"team"},{"season":1888,"seasonType":"REG","team":"Louisville Colonels","values":{"ops_plus":82,"era_plus":null},"rowScope":"team"}],"careerTotals":{"REG":{"ops_plus":98,"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":"2026-07-03T08:11:48.216Z"}