{"sport":"mlb","slug":"frank-bertaina","bio":{"fullName":"Frank Bertaina","position":"P","team":"STL","heightInches":71,"weightLbs":180,"birthDate":"1944-04-14","rookieSeason":1964,"lastSeason":1970,"status":"RET","externalIds":{"mlbam":"110940","chadwick":"fbd7bbd8","retro":"bertf101","wikidata":"Q5485299"}},"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":1964,"seasonType":"REG","team":"BAL","gamesPlayed":6,"values":{"g":6,"ab":5,"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":1965,"seasonType":"REG","team":"BAL","gamesPlayed":2,"values":{"g":2,"ab":1,"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":1966,"seasonType":"REG","team":"BAL","gamesPlayed":16,"values":{"g":16,"ab":19,"r":1,"h":2,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":1,"so":6,"avg":0.105,"obp":0.15,"slg":0.105,"ops":0.255},"rowScope":"team"},{"season":1967,"seasonType":"REG","gamesPlayed":24,"gamesStarted":null,"values":{"g":24,"ab":44,"r":2,"h":3,"doubles":0,"triples":0,"hr":0,"rbi":4,"sb":0,"bb":0,"so":15,"avg":0.068,"slg":0.068,"obp":null,"ops":null},"team":"TOT","rowScope":"total"},{"season":1967,"seasonType":"REG","team":"BAL","gamesPlayed":5,"values":{"g":5,"ab":9,"r":1,"h":1,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":0,"so":4,"avg":0.111,"obp":0.111,"slg":0.111,"ops":0.222},"rowScope":"team"},{"season":1967,"seasonType":"REG","team":"TEX","gamesPlayed":19,"values":{"g":19,"ab":35,"r":1,"h":2,"doubles":0,"triples":0,"hr":0,"rbi":4,"sb":0,"bb":0,"so":11,"avg":0.057,"obp":0.057,"slg":0.057,"ops":0.114},"rowScope":"team"},{"season":1968,"seasonType":"REG","team":"TEX","gamesPlayed":27,"values":{"g":27,"ab":38,"r":2,"h":5,"doubles":0,"triples":0,"hr":0,"rbi":4,"sb":0,"bb":2,"so":10,"avg":0.132,"obp":0.175,"slg":0.132,"ops":0.307},"rowScope":"team"},{"season":1969,"seasonType":"REG","gamesPlayed":17,"gamesStarted":null,"values":{"g":17,"ab":12,"r":2,"h":5,"doubles":1,"triples":0,"hr":1,"rbi":3,"sb":0,"bb":1,"so":2,"avg":0.417,"slg":0.75,"obp":null,"ops":null},"team":"TOT","rowScope":"total"},{"season":1969,"seasonType":"REG","team":"BAL","gamesPlayed":3,"values":{"g":3,"ab":1,"r":0,"h":1,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":1,"so":0,"avg":1,"obp":1,"slg":1,"ops":2},"rowScope":"team"},{"season":1969,"seasonType":"REG","team":"TEX","gamesPlayed":14,"values":{"g":14,"ab":11,"r":2,"h":4,"doubles":1,"triples":0,"hr":1,"rbi":3,"sb":0,"bb":0,"so":2,"avg":0.364,"obp":0.364,"slg":0.727,"ops":1.091},"rowScope":"team"},{"season":1970,"seasonType":"REG","team":"STL","gamesPlayed":8,"values":{"g":8,"ab":7,"r":0,"h":1,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":2,"so":0,"avg":0.143,"obp":0.333,"slg":0.143,"ops":0.476},"rowScope":"team"}],"careerTotals":{"REG":{"g":100,"ab":126,"r":7,"h":16,"doubles":1,"triples":0,"hr":1,"rbi":11,"sb":0,"bb":6,"so":34,"avg":0.127,"obp":0.167,"slg":0.159,"ops":0.326}}},{"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":1964,"seasonType":"REG","team":"BAL","gamesPlayed":6,"values":{"g":6,"gs":4,"w":1,"l":0,"sv":0,"ip":26,"so":18,"bb":13,"h":18,"er":8,"hr":3,"era":2.77,"whip":1.19},"rowScope":"team"},{"season":1965,"seasonType":"REG","team":"BAL","gamesPlayed":2,"values":{"g":2,"gs":1,"w":0,"l":0,"sv":0,"ip":6,"so":5,"bb":4,"h":9,"er":4,"hr":0,"era":6,"whip":2.17},"rowScope":"team"},{"season":1966,"seasonType":"REG","team":"BAL","gamesPlayed":16,"values":{"g":16,"gs":9,"w":2,"l":5,"sv":0,"ip":63.1,"so":46,"bb":36,"h":52,"er":22,"hr":3,"era":3.13,"whip":1.39},"rowScope":"team"},{"season":1967,"seasonType":"REG","gamesPlayed":23,"gamesStarted":null,"values":{"g":23,"gs":19,"w":7,"l":6,"sv":0,"so":86,"bb":51,"h":107,"er":39,"hr":12,"ip":117.1,"era":2.99,"whip":1.35},"team":"TOT","rowScope":"total"},{"season":1967,"seasonType":"REG","team":"BAL","gamesPlayed":5,"values":{"g":5,"gs":2,"w":1,"l":1,"sv":0,"ip":21.2,"so":19,"bb":14,"h":17,"er":8,"hr":4,"era":3.32,"whip":1.43},"rowScope":"team"},{"season":1967,"seasonType":"REG","team":"TEX","gamesPlayed":18,"values":{"g":18,"gs":17,"w":6,"l":5,"sv":0,"ip":95.2,"so":67,"bb":37,"h":90,"er":31,"hr":8,"era":2.92,"whip":1.33},"rowScope":"team"},{"season":1968,"seasonType":"REG","team":"TEX","gamesPlayed":27,"values":{"g":27,"gs":23,"w":7,"l":13,"sv":0,"ip":127.1,"so":81,"bb":69,"h":133,"er":66,"hr":15,"era":4.66,"whip":1.59},"rowScope":"team"},{"season":1969,"seasonType":"REG","gamesPlayed":17,"gamesStarted":null,"values":{"g":17,"gs":5,"w":1,"l":3,"sv":0,"so":30,"bb":26,"h":44,"er":26,"hr":8,"ip":41.2,"era":5.62,"whip":1.68},"team":"TOT","rowScope":"total"},{"season":1969,"seasonType":"REG","team":"BAL","gamesPlayed":3,"values":{"g":3,"gs":0,"w":0,"l":0,"sv":0,"ip":6,"so":5,"bb":3,"h":1,"er":0,"hr":0,"era":0,"whip":0.67},"rowScope":"team"},{"season":1969,"seasonType":"REG","team":"TEX","gamesPlayed":14,"values":{"g":14,"gs":5,"w":1,"l":3,"sv":0,"ip":35.2,"so":25,"bb":23,"h":43,"er":26,"hr":8,"era":6.56,"whip":1.85},"rowScope":"team"},{"season":1970,"seasonType":"REG","team":"STL","gamesPlayed":8,"values":{"g":8,"gs":5,"w":1,"l":2,"sv":0,"ip":31.1,"so":14,"bb":15,"h":36,"er":11,"hr":1,"era":3.16,"whip":1.63},"rowScope":"team"}],"careerTotals":{"REG":{"g":99,"gs":66,"w":19,"l":29,"sv":0,"ip":413,"so":280,"bb":214,"h":399,"er":176,"hr":42,"era":3.84,"whip":1.48}}},{"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":1964,"seasonType":"REG","team":"BAL","values":{"ops_plus":-100,"era_plus":125},"rowScope":"team"},{"season":1965,"seasonType":"REG","team":"BAL","values":{"ops_plus":-100,"era_plus":57},"rowScope":"team"},{"season":1966,"seasonType":"REG","team":"BAL","values":{"ops_plus":-23,"era_plus":111},"rowScope":"team"},{"season":1967,"seasonType":"REG","gamesPlayed":null,"gamesStarted":null,"values":{"ops_plus":null,"era_plus":null},"team":"TOT","rowScope":"total"},{"season":1967,"seasonType":"REG","team":"BAL","values":{"ops_plus":-32,"era_plus":98},"rowScope":"team"},{"season":1967,"seasonType":"REG","team":"TEX","values":{"ops_plus":-65,"era_plus":112},"rowScope":"team"},{"season":1968,"seasonType":"REG","team":"TEX","values":{"ops_plus":-2,"era_plus":65},"rowScope":"team"},{"season":1969,"seasonType":"REG","gamesPlayed":null,"gamesStarted":null,"values":{"ops_plus":null,"era_plus":null},"team":"TOT","rowScope":"total"},{"season":1969,"seasonType":"REG","team":"BAL","values":{"ops_plus":480,"era_plus":null},"rowScope":"team"},{"season":1969,"seasonType":"REG","team":"TEX","values":{"ops_plus":209,"era_plus":54},"rowScope":"team"},{"season":1970,"seasonType":"REG","team":"STL","values":{"ops_plus":39,"era_plus":127},"rowScope":"team"}],"careerTotals":{"REG":{"ops_plus":-4,"era_plus":85}},"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":"2026-07-03T03:00:12.318Z"}