{"sport":"mlb","slug":"colton-cowser","bio":{"fullName":"Colton Cowser","position":"CF","team":"BAL","heightInches":75,"weightLbs":220,"birthDate":"2000-03-20","rookieSeason":2023,"lastSeason":2026,"status":"ACT","externalIds":{"mlbam":"681297","chadwick":"43222d46","retro":"cowsc001"}},"draft":{"year":2021,"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":2023,"seasonType":"REG","team":"BAL","rowScope":"team","gamesPlayed":26,"values":{"g":26,"ab":61,"r":15,"h":7,"doubles":2,"triples":0,"hr":0,"rbi":4,"sb":1,"bb":13,"so":22,"avg":0.115,"obp":0.286,"slg":0.148,"ops":0.434}},{"season":2024,"seasonType":"REG","team":"BAL","rowScope":"team","gamesPlayed":153,"values":{"g":153,"ab":499,"r":77,"h":121,"doubles":24,"triples":3,"hr":24,"rbi":69,"sb":9,"bb":52,"so":172,"avg":0.242,"obp":0.321,"slg":0.447,"ops":0.768}},{"season":2024,"seasonType":"POST","team":"BAL","rowScope":"team","gamesPlayed":2,"values":{"g":2,"ab":7,"r":0,"h":1,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":0,"so":3,"avg":0.143,"obp":0.143,"slg":0.143,"ops":0.286}},{"season":2025,"seasonType":"REG","team":"BAL","rowScope":"team","gamesPlayed":92,"values":{"g":92,"ab":327,"r":36,"h":64,"doubles":14,"triples":0,"hr":16,"rbi":40,"sb":14,"bb":27,"so":128,"avg":0.196,"obp":0.269,"slg":0.385,"ops":0.654}},{"season":2026,"seasonType":"REG","team":"BAL","rowScope":"team","gamesPlayed":142,"values":{"g":142,"ab":341,"r":41,"h":77,"doubles":10,"triples":0,"hr":13,"rbi":40,"sb":10,"bb":46,"so":121,"avg":0.226,"obp":0.317,"slg":0.37,"ops":0.687}}],"careerTotals":{"REG":{"g":413,"ab":1228,"r":169,"h":269,"doubles":50,"triples":3,"hr":53,"rbi":153,"sb":34,"bb":138,"so":443,"avg":0.219,"obp":0.305,"slg":0.394,"ops":0.699},"POST":{"g":2,"ab":7,"r":0,"h":1,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":0,"so":3,"avg":0.143,"obp":0.143,"slg":0.143,"ops":0.286}}},{"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":2023,"seasonType":"REG","team":"BAL","values":{"ops_plus":22,"era_plus":null},"rowScope":"team"},{"season":2024,"seasonType":"REG","team":"BAL","values":{"ops_plus":117,"era_plus":null},"rowScope":"team"},{"season":2025,"seasonType":"REG","team":"BAL","values":{"ops_plus":78,"era_plus":null},"rowScope":"team"},{"season":2026,"seasonType":"REG","team":"BAL","values":{"ops_plus":96,"era_plus":null},"rowScope":"team"}],"careerTotals":{"REG":{"ops_plus":96,"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":"2026-10-12T23:07:12.210Z"}