{"sport":"mlb","slug":"roman-anthony","bio":{"fullName":"Roman Anthony","position":"LF","team":"BOS","heightInches":75,"weightLbs":200,"birthDate":"2004-05-13","rookieSeason":2025,"lastSeason":2026,"status":"ACT","externalIds":{"mlbam":"701350","chadwick":"19ca305a","retro":"anthr001"}},"draft":{"year":2022,"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":2025,"seasonType":"REG","team":"BOS","rowScope":"team","gamesPlayed":71,"values":{"g":71,"ab":257,"r":48,"h":75,"doubles":18,"triples":1,"hr":8,"rbi":32,"sb":4,"bb":40,"so":84,"avg":0.292,"obp":0.396,"slg":0.463,"ops":0.859}},{"season":2026,"seasonType":"REG","team":"BOS","rowScope":"team","gamesPlayed":55,"values":{"g":55,"ab":212,"r":24,"h":52,"doubles":11,"triples":3,"hr":5,"rbi":15,"sb":2,"bb":29,"so":66,"avg":0.245,"obp":0.339,"slg":0.396,"ops":0.735}},{"season":2026,"seasonType":"POST","team":"BOS","rowScope":"team","gamesPlayed":1,"values":{"g":1,"ab":2,"r":0,"h":0,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":0,"so":2,"avg":0,"obp":0,"slg":0,"ops":0}}],"careerTotals":{"REG":{"g":126,"ab":469,"r":72,"h":127,"doubles":29,"triples":4,"hr":13,"rbi":47,"sb":6,"bb":69,"so":150,"avg":0.271,"obp":0.371,"slg":0.433,"ops":0.804},"POST":{"g":1,"ab":2,"r":0,"h":0,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":0,"so":2,"avg":0,"obp":0,"slg":0,"ops":0}}},{"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":2025,"seasonType":"REG","team":"BOS","values":{"ops_plus":140,"era_plus":null},"rowScope":"team"},{"season":2026,"seasonType":"REG","team":"BOS","values":{"ops_plus":108,"era_plus":null},"rowScope":"team"}],"careerTotals":{"REG":{"ops_plus":126,"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":"2026-10-15T08:17:25.010Z"}