{"sport":"mlb","slug":"mike-bacsik","bio":{"fullName":"Mike Bacsik","position":"P","team":"WSH","heightInches":74,"weightLbs":225,"birthDate":"1977-11-11","rookieSeason":2001,"lastSeason":2007,"status":"RET","externalIds":{"mlbam":"407194","chadwick":"f9e3b950","retro":"bacsm001","wikidata":"Q3313208"}},"draft":{"year":1996,"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":2002,"seasonType":"REG","team":"NYM","gamesPlayed":11,"values":{"g":11,"ab":18,"r":0,"h":2,"doubles":1,"triples":0,"hr":0,"rbi":2,"sb":0,"bb":0,"so":3,"avg":0.111,"obp":0.111,"slg":0.167,"ops":0.278},"rowScope":"team"},{"season":2003,"seasonType":"REG","team":"NYM","gamesPlayed":5,"values":{"g":5,"ab":3,"r":0,"h":0,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":0,"so":1,"avg":0,"obp":0,"slg":0,"ops":0},"rowScope":"team"},{"season":2007,"seasonType":"REG","team":"WSH","gamesPlayed":29,"values":{"g":29,"ab":29,"r":1,"h":3,"doubles":1,"triples":0,"hr":0,"rbi":1,"sb":0,"bb":1,"so":6,"avg":0.103,"obp":0.133,"slg":0.138,"ops":0.271},"rowScope":"team"}],"careerTotals":{"REG":{"g":45,"ab":50,"r":1,"h":5,"doubles":2,"triples":0,"hr":0,"rbi":3,"sb":0,"bb":1,"so":10,"avg":0.1,"obp":0.118,"slg":0.14,"ops":0.258}}},{"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":2001,"seasonType":"REG","team":"CLE","gamesPlayed":3,"values":{"g":3,"gs":0,"w":0,"l":0,"sv":0,"ip":9,"so":4,"bb":3,"h":13,"er":9,"hr":0,"era":9,"whip":1.78},"rowScope":"team"},{"season":2002,"seasonType":"REG","team":"NYM","gamesPlayed":11,"values":{"g":11,"gs":9,"w":3,"l":2,"sv":0,"ip":55.2,"so":30,"bb":19,"h":63,"er":27,"hr":8,"era":4.37,"whip":1.47},"rowScope":"team"},{"season":2003,"seasonType":"REG","team":"NYM","gamesPlayed":5,"values":{"g":5,"gs":3,"w":1,"l":2,"sv":0,"ip":17.2,"so":12,"bb":8,"h":28,"er":20,"hr":5,"era":10.19,"whip":2.04},"rowScope":"team"},{"season":2004,"seasonType":"REG","team":"TEX","gamesPlayed":3,"values":{"g":3,"gs":3,"w":1,"l":1,"sv":0,"ip":15.2,"so":6,"bb":1,"h":16,"er":8,"hr":2,"era":4.6,"whip":1.09},"rowScope":"team"},{"season":2007,"seasonType":"REG","team":"WSH","gamesPlayed":29,"values":{"g":29,"gs":20,"w":5,"l":8,"sv":0,"ip":118,"so":45,"bb":29,"h":141,"er":67,"hr":26,"era":5.11,"whip":1.44},"rowScope":"team"}],"careerTotals":{"REG":{"g":51,"gs":35,"w":10,"l":13,"sv":0,"ip":216,"so":97,"bb":60,"h":261,"er":131,"hr":41,"era":5.46,"whip":1.49}}},{"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":2001,"seasonType":"REG","team":"CLE","values":{"ops_plus":null,"era_plus":52},"rowScope":"team"},{"season":2002,"seasonType":"REG","team":"NYM","values":{"ops_plus":-25,"era_plus":96},"rowScope":"team"},{"season":2003,"seasonType":"REG","team":"NYM","values":{"ops_plus":-100,"era_plus":42},"rowScope":"team"},{"season":2004,"seasonType":"REG","team":"TEX","values":{"ops_plus":null,"era_plus":100},"rowScope":"team"},{"season":2007,"seasonType":"REG","team":"WSH","values":{"ops_plus":-27,"era_plus":87},"rowScope":"team"}],"careerTotals":{"REG":{"ops_plus":-31,"era_plus":80}},"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":"2026-07-03T02:16:20.189Z"}