{"sport":"mlb","slug":"roberto-hernandez","bio":{"fullName":"Roberto Hernandez","position":"P","team":"ATL","heightInches":76,"weightLbs":270,"birthDate":"1980-08-30","rookieSeason":2006,"lastSeason":2016,"status":"RET","externalIds":{"mlbam":"433584","chadwick":"171fb04d","retro":"carmf001","wikidata":"Q281165"}},"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":2006,"seasonType":"REG","team":"CLE","gamesPlayed":38,"values":{"g":38,"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},"rowScope":"team"},{"season":2007,"seasonType":"REG","team":"CLE","gamesPlayed":32,"values":{"g":32,"ab":4,"r":0,"h":0,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":0,"so":3,"avg":0,"obp":0,"slg":0,"ops":0},"rowScope":"team"},{"season":2008,"seasonType":"REG","team":"CLE","gamesPlayed":22,"values":{"g":22,"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":2010,"seasonType":"REG","team":"CLE","gamesPlayed":33,"values":{"g":33,"ab":4,"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},"rowScope":"team"},{"season":2011,"seasonType":"REG","team":"CLE","gamesPlayed":32,"values":{"g":32,"ab":3,"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},"rowScope":"team"},{"season":2013,"seasonType":"REG","team":"TB","gamesPlayed":32,"values":{"g":32,"ab":4,"r":0,"h":0,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":0,"so":3,"avg":0,"obp":0,"slg":0,"ops":0},"rowScope":"team"},{"season":2014,"seasonType":"REG","gamesPlayed":32,"gamesStarted":null,"values":{"g":32,"ab":49,"r":1,"h":4,"doubles":0,"triples":0,"hr":0,"rbi":2,"sb":0,"bb":0,"so":24,"avg":0.082,"slg":0.082,"obp":null,"ops":null},"team":"TOT","rowScope":"total"},{"season":2014,"seasonType":"REG","team":"LAD","gamesPlayed":9,"values":{"g":9,"ab":13,"r":1,"h":2,"doubles":0,"triples":0,"hr":0,"rbi":1,"sb":0,"bb":0,"so":7,"avg":0.154,"obp":0.154,"slg":0.154,"ops":0.308},"rowScope":"team"},{"season":2014,"seasonType":"REG","team":"PHI","gamesPlayed":23,"values":{"g":23,"ab":36,"r":0,"h":2,"doubles":0,"triples":0,"hr":0,"rbi":1,"sb":0,"bb":0,"so":17,"avg":0.056,"obp":0.056,"slg":0.056,"ops":0.112},"rowScope":"team"},{"season":2015,"seasonType":"REG","team":"HOU","gamesPlayed":20,"values":{"g":20,"ab":2,"r":1,"h":0,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":1,"so":2,"avg":0,"obp":0.333,"slg":0,"ops":0.333},"rowScope":"team"},{"season":2016,"seasonType":"REG","team":"ATL","gamesPlayed":2,"values":{"g":2,"ab":4,"r":0,"h":0,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":0,"so":3,"avg":0,"obp":0,"slg":0,"ops":0},"rowScope":"team"}],"careerTotals":{"REG":{"g":270,"ab":73,"r":2,"h":4,"doubles":0,"triples":0,"hr":0,"rbi":2,"sb":0,"bb":1,"so":40,"avg":0.055,"obp":0.068,"slg":0.055,"ops":0.123}}},{"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":2006,"seasonType":"REG","team":"CLE","gamesPlayed":38,"values":{"g":38,"gs":7,"w":1,"l":10,"sv":0,"ip":74.2,"so":58,"bb":31,"h":88,"er":45,"hr":9,"era":5.42,"whip":1.59},"rowScope":"team"},{"season":2007,"seasonType":"REG","team":"CLE","gamesPlayed":32,"values":{"g":32,"gs":32,"w":19,"l":8,"sv":0,"ip":215,"so":137,"bb":61,"h":199,"er":73,"hr":16,"era":3.06,"whip":1.21},"rowScope":"team"},{"season":2007,"seasonType":"POST","team":"CLE","gamesPlayed":3,"values":{"g":3,"gs":3,"w":0,"l":1,"sv":0,"ip":15,"so":12,"bb":11,"h":13,"er":12,"hr":2,"era":7.2,"whip":1.6},"rowScope":"team"},{"season":2008,"seasonType":"REG","team":"CLE","gamesPlayed":22,"values":{"g":22,"gs":22,"w":8,"l":7,"sv":0,"ip":120.2,"so":58,"bb":70,"h":126,"er":73,"hr":7,"era":5.44,"whip":1.62},"rowScope":"team"},{"season":2009,"seasonType":"REG","team":"CLE","gamesPlayed":24,"values":{"g":24,"gs":24,"w":5,"l":12,"sv":0,"ip":125.1,"so":79,"bb":70,"h":151,"er":88,"hr":16,"era":6.32,"whip":1.76},"rowScope":"team"},{"season":2010,"seasonType":"REG","team":"CLE","gamesPlayed":33,"values":{"g":33,"gs":33,"w":13,"l":14,"sv":0,"ip":210.1,"so":124,"bb":72,"h":203,"er":88,"hr":17,"era":3.77,"whip":1.31},"rowScope":"team"},{"season":2011,"seasonType":"REG","team":"CLE","gamesPlayed":32,"values":{"g":32,"gs":32,"w":7,"l":15,"sv":0,"ip":188.2,"so":109,"bb":60,"h":205,"er":110,"hr":22,"era":5.25,"whip":1.4},"rowScope":"team"},{"season":2012,"seasonType":"REG","team":"CLE","gamesPlayed":3,"values":{"g":3,"gs":3,"w":0,"l":3,"sv":0,"ip":14.1,"so":2,"bb":3,"h":17,"er":12,"hr":4,"era":7.53,"whip":1.4},"rowScope":"team"},{"season":2013,"seasonType":"REG","team":"TB","gamesPlayed":32,"values":{"g":32,"gs":24,"w":6,"l":13,"sv":1,"ip":151,"so":113,"bb":38,"h":164,"er":82,"hr":24,"era":4.89,"whip":1.34},"rowScope":"team"},{"season":2014,"seasonType":"REG","gamesPlayed":32,"gamesStarted":null,"values":{"g":32,"gs":29,"w":8,"l":11,"sv":0,"so":105,"bb":73,"h":156,"er":75,"hr":19,"ip":164.2,"era":4.1,"whip":1.39},"team":"TOT","rowScope":"total"},{"season":2014,"seasonType":"REG","team":"LAD","gamesPlayed":9,"values":{"g":9,"gs":9,"w":2,"l":3,"sv":0,"ip":43.2,"so":30,"bb":18,"h":48,"er":23,"hr":8,"era":4.74,"whip":1.51},"rowScope":"team"},{"season":2014,"seasonType":"REG","team":"PHI","gamesPlayed":23,"values":{"g":23,"gs":20,"w":6,"l":8,"sv":0,"ip":121,"so":75,"bb":55,"h":108,"er":52,"hr":11,"era":3.87,"whip":1.35},"rowScope":"team"},{"season":2015,"seasonType":"REG","team":"HOU","gamesPlayed":20,"values":{"g":20,"gs":11,"w":3,"l":5,"sv":0,"ip":84.2,"so":42,"bb":26,"h":90,"er":41,"hr":9,"era":4.36,"whip":1.37},"rowScope":"team"},{"season":2016,"seasonType":"REG","team":"ATL","gamesPlayed":2,"values":{"g":2,"gs":2,"w":1,"l":1,"sv":0,"ip":9,"so":6,"bb":1,"h":13,"er":8,"hr":4,"era":8,"whip":1.56},"rowScope":"team"}],"careerTotals":{"REG":{"g":270,"gs":219,"w":71,"l":99,"sv":1,"ip":1358.1,"so":833,"bb":505,"h":1412,"er":695,"hr":147,"era":4.6,"whip":1.41},"POST":{"g":3,"gs":3,"w":0,"l":1,"sv":0,"ip":15,"so":12,"bb":11,"h":13,"er":12,"hr":2,"era":7.2,"whip":1.6}}},{"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":2006,"seasonType":"REG","team":"CLE","values":{"ops_plus":null,"era_plus":82},"rowScope":"team"},{"season":2007,"seasonType":"REG","team":"CLE","values":{"ops_plus":-100,"era_plus":133},"rowScope":"team"},{"season":2008,"seasonType":"REG","team":"CLE","values":{"ops_plus":-100,"era_plus":82},"rowScope":"team"},{"season":2009,"seasonType":"REG","team":"CLE","values":{"ops_plus":null,"era_plus":80},"rowScope":"team"},{"season":2010,"seasonType":"REG","team":"CLE","values":{"ops_plus":-100,"era_plus":114},"rowScope":"team"},{"season":2011,"seasonType":"REG","team":"CLE","values":{"ops_plus":-100,"era_plus":81},"rowScope":"team"},{"season":2012,"seasonType":"REG","team":"CLE","values":{"ops_plus":null,"era_plus":64},"rowScope":"team"},{"season":2013,"seasonType":"REG","team":"TB","values":{"ops_plus":-100,"era_plus":83},"rowScope":"team"},{"season":2014,"seasonType":"REG","gamesPlayed":null,"gamesStarted":null,"values":{"ops_plus":null,"era_plus":null},"team":"TOT","rowScope":"total"},{"season":2014,"seasonType":"REG","team":"LAD","values":{"ops_plus":-10,"era_plus":78},"rowScope":"team"},{"season":2014,"seasonType":"REG","team":"PHI","values":{"ops_plus":-67,"era_plus":95},"rowScope":"team"},{"season":2015,"seasonType":"REG","team":"HOU","values":{"ops_plus":6,"era_plus":92},"rowScope":"team"},{"season":2016,"seasonType":"REG","team":"ATL","values":{"ops_plus":-100,"era_plus":56},"rowScope":"team"}],"careerTotals":{"REG":{"ops_plus":-65,"era_plus":92}},"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":"2026-07-03T01:55:30.038Z"}