{"sport":"mlb","slug":"john-curtiss","bio":{"fullName":"John Curtiss","position":"P","team":"AZ","heightInches":77,"weightLbs":220,"birthDate":"1993-04-05","rookieSeason":2017,"lastSeason":2025,"status":"ACT","externalIds":{"mlbam":"595928","chadwick":"af717437","retro":"curtj003","wikidata":"Q38143211"}},"draft":{"year":2014,"round":null,"pick":null,"team":null,"undrafted":false},"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":2021,"seasonType":"REG","gamesPlayed":44,"gamesStarted":null,"values":{"g":44,"ab":5,"r":1,"h":0,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":0,"so":3,"avg":0,"slg":0,"obp":null,"ops":null},"team":"TOT","rowScope":"total"},{"season":2021,"seasonType":"REG","team":"MIA","rowScope":"team","gamesPlayed":38,"values":{"g":38,"ab":5,"r":1,"h":0,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":0,"so":3,"avg":0,"obp":0,"slg":0,"ops":0}},{"season":2021,"seasonType":"REG","team":"MIL","rowScope":"team","gamesPlayed":6,"values":{"g":6,"ab":0,"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}},{"season":2025,"seasonType":"REG","team":"AZ","rowScope":"team","gamesPlayed":30,"values":{"g":30,"ab":0,"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}}],"careerTotals":{"REG":{"g":74,"ab":5,"r":1,"h":0,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":0,"so":3,"avg":0,"obp":0,"slg":0,"ops":0}}},{"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":2017,"seasonType":"REG","team":"MIN","rowScope":"team","gamesPlayed":9,"values":{"g":9,"gs":0,"w":0,"l":0,"sv":0,"ip":8.2,"so":10,"bb":2,"h":9,"er":8,"hr":2,"era":8.31,"whip":1.27}},{"season":2018,"seasonType":"REG","team":"MIN","rowScope":"team","gamesPlayed":8,"values":{"g":8,"gs":0,"w":0,"l":1,"sv":0,"ip":6.1,"so":7,"bb":4,"h":8,"er":4,"hr":0,"era":5.68,"whip":1.89}},{"season":2019,"seasonType":"REG","team":"LAA","rowScope":"team","gamesPlayed":1,"values":{"g":1,"gs":0,"w":0,"l":0,"sv":0,"ip":2.1,"so":1,"bb":3,"h":2,"er":1,"hr":0,"era":3.86,"whip":2.14}},{"season":2020,"seasonType":"REG","team":"TB","rowScope":"team","gamesPlayed":17,"values":{"g":17,"gs":3,"w":3,"l":0,"sv":2,"ip":25,"so":25,"bb":3,"h":21,"er":5,"hr":3,"era":1.8,"whip":0.96}},{"season":2020,"seasonType":"POST","team":"TB","rowScope":"team","gamesPlayed":9,"values":{"g":9,"gs":1,"w":1,"l":0,"sv":0,"ip":10,"so":9,"bb":5,"h":14,"er":7,"hr":3,"era":6.3,"whip":1.9}},{"season":2021,"seasonType":"REG","gamesPlayed":41,"gamesStarted":null,"values":{"g":41,"gs":2,"w":3,"l":1,"sv":0,"so":44,"bb":12,"h":42,"er":17,"hr":6,"ip":44.1,"era":3.45,"whip":1.22},"team":"TOT","rowScope":"total"},{"season":2021,"seasonType":"REG","team":"MIA","rowScope":"team","gamesPlayed":35,"values":{"g":35,"gs":2,"w":3,"l":1,"sv":0,"ip":40,"so":40,"bb":9,"h":34,"er":11,"hr":4,"era":2.48,"whip":1.08}},{"season":2021,"seasonType":"REG","team":"MIL","rowScope":"team","gamesPlayed":6,"values":{"g":6,"gs":0,"w":0,"l":0,"sv":0,"ip":4.1,"so":4,"bb":3,"h":8,"er":6,"hr":2,"era":12.46,"whip":2.54}},{"season":2023,"seasonType":"REG","team":"NYM","rowScope":"team","gamesPlayed":15,"values":{"g":15,"gs":0,"w":0,"l":0,"sv":0,"ip":19.2,"so":16,"bb":8,"h":17,"er":10,"hr":3,"era":4.58,"whip":1.27}},{"season":2024,"seasonType":"REG","team":"COL","rowScope":"team","gamesPlayed":3,"values":{"g":3,"gs":0,"w":0,"l":0,"sv":0,"ip":2.1,"so":1,"bb":0,"h":6,"er":4,"hr":2,"era":15.43,"whip":2.57}},{"season":2025,"seasonType":"REG","team":"AZ","rowScope":"team","gamesPlayed":30,"values":{"g":30,"gs":0,"w":3,"l":2,"sv":1,"ip":36.2,"so":24,"bb":5,"h":29,"er":16,"hr":5,"era":3.93,"whip":0.93}}],"careerTotals":{"REG":{"g":124,"gs":5,"w":9,"l":4,"sv":3,"ip":145.1,"so":128,"bb":37,"h":134,"er":65,"hr":21,"era":4.03,"whip":1.18},"POST":{"g":9,"gs":1,"w":1,"l":0,"sv":0,"ip":10,"so":9,"bb":5,"h":14,"er":7,"hr":3,"era":6.3,"whip":1.9}}},{"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":2017,"seasonType":"REG","team":"MIN","values":{"ops_plus":null,"era_plus":53},"rowScope":"team"},{"season":2018,"seasonType":"REG","team":"MIN","values":{"ops_plus":null,"era_plus":76},"rowScope":"team"},{"season":2019,"seasonType":"REG","team":"LAA","values":{"ops_plus":null,"era_plus":123},"rowScope":"team"},{"season":2020,"seasonType":"REG","team":"TB","values":{"ops_plus":null,"era_plus":254},"rowScope":"team"},{"season":2021,"seasonType":"REG","gamesPlayed":null,"gamesStarted":null,"values":{"ops_plus":null,"era_plus":null},"team":"TOT","rowScope":"total"},{"season":2021,"seasonType":"REG","team":"MIA","values":{"ops_plus":-100,"era_plus":170},"rowScope":"team"},{"season":2021,"seasonType":"REG","team":"MIL","values":{"ops_plus":null,"era_plus":34},"rowScope":"team"},{"season":2023,"seasonType":"REG","team":"NYM","values":{"ops_plus":null,"era_plus":96},"rowScope":"team"},{"season":2024,"seasonType":"REG","team":"COL","values":{"ops_plus":null,"era_plus":27},"rowScope":"team"},{"season":2025,"seasonType":"REG","team":"AZ","values":{"ops_plus":null,"era_plus":107},"rowScope":"team"}],"careerTotals":{"REG":{"ops_plus":-100,"era_plus":107}},"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":"2026-10-14T08:12:09.095Z"}