{"sport":"mlb","slug":"bob-welch","bio":{"fullName":"Bob Welch","position":"P","team":"ATH","heightInches":75,"weightLbs":190,"birthDate":"1956-11-03","rookieSeason":1978,"lastSeason":1994,"status":"RET","externalIds":{"mlbam":"124064","chadwick":"6f0253de","retro":"welcb001","wikidata":"Q2907864"}},"draft":{"year":1977,"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":1978,"seasonType":"REG","team":"LAD","gamesPlayed":23,"values":{"g":23,"ab":29,"r":3,"h":5,"doubles":1,"triples":0,"hr":0,"rbi":1,"sb":0,"bb":0,"so":7,"avg":0.172,"obp":0.172,"slg":0.207,"ops":0.379},"rowScope":"team"},{"season":1978,"seasonType":"POST","team":"LAD","gamesPlayed":4,"values":{"g":4,"ab":2,"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":1979,"seasonType":"REG","team":"LAD","gamesPlayed":25,"values":{"g":25,"ab":19,"r":1,"h":3,"doubles":0,"triples":0,"hr":0,"rbi":3,"sb":0,"bb":0,"so":6,"avg":0.158,"obp":0.2,"slg":0.158,"ops":0.358},"rowScope":"team"},{"season":1980,"seasonType":"REG","team":"LAD","gamesPlayed":34,"values":{"g":34,"ab":70,"r":1,"h":17,"doubles":3,"triples":0,"hr":0,"rbi":3,"sb":0,"bb":1,"so":13,"avg":0.243,"obp":0.254,"slg":0.286,"ops":0.54},"rowScope":"team"},{"season":1981,"seasonType":"REG","team":"LAD","gamesPlayed":23,"values":{"g":23,"ab":45,"r":3,"h":10,"doubles":0,"triples":1,"hr":0,"rbi":2,"sb":0,"bb":1,"so":16,"avg":0.222,"obp":0.239,"slg":0.267,"ops":0.506},"rowScope":"team"},{"season":1981,"seasonType":"POST","team":"LAD","gamesPlayed":5,"values":{"g":5,"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":1982,"seasonType":"REG","team":"LAD","gamesPlayed":38,"values":{"g":38,"ab":85,"r":5,"h":12,"doubles":1,"triples":0,"hr":0,"rbi":3,"sb":0,"bb":3,"so":32,"avg":0.141,"obp":0.167,"slg":0.153,"ops":0.32},"rowScope":"team"},{"season":1983,"seasonType":"REG","team":"LAD","gamesPlayed":31,"values":{"g":31,"ab":73,"r":2,"h":7,"doubles":1,"triples":0,"hr":1,"rbi":2,"sb":0,"bb":1,"so":22,"avg":0.096,"obp":0.12,"slg":0.151,"ops":0.271},"rowScope":"team"},{"season":1983,"seasonType":"POST","team":"LAD","gamesPlayed":1,"values":{"g":1,"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":1984,"seasonType":"REG","team":"LAD","gamesPlayed":32,"values":{"g":32,"ab":51,"r":0,"h":4,"doubles":0,"triples":0,"hr":0,"rbi":3,"sb":0,"bb":2,"so":15,"avg":0.078,"obp":0.113,"slg":0.078,"ops":0.191},"rowScope":"team"},{"season":1985,"seasonType":"REG","team":"LAD","gamesPlayed":25,"values":{"g":25,"ab":50,"r":4,"h":9,"doubles":1,"triples":0,"hr":0,"rbi":4,"sb":0,"bb":3,"so":13,"avg":0.18,"obp":0.226,"slg":0.2,"ops":0.426},"rowScope":"team"},{"season":1985,"seasonType":"POST","team":"LAD","gamesPlayed":1,"values":{"g":1,"ab":1,"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":1986,"seasonType":"REG","team":"LAD","gamesPlayed":35,"values":{"g":35,"ab":76,"r":2,"h":8,"doubles":0,"triples":0,"hr":1,"rbi":4,"sb":0,"bb":4,"so":23,"avg":0.105,"obp":0.16,"slg":0.145,"ops":0.305},"rowScope":"team"},{"season":1987,"seasonType":"REG","team":"LAD","gamesPlayed":38,"values":{"g":38,"ab":83,"r":5,"h":13,"doubles":0,"triples":0,"hr":0,"rbi":5,"sb":0,"bb":7,"so":24,"avg":0.157,"obp":0.222,"slg":0.157,"ops":0.379},"rowScope":"team"},{"season":1990,"seasonType":"POST","team":"ATH","gamesPlayed":2,"values":{"g":2,"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":1991,"seasonType":"REG","team":"ATH","gamesPlayed":36,"values":{"g":36,"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":1994,"seasonType":"REG","team":"ATH","gamesPlayed":26,"values":{"g":26,"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"}],"careerTotals":{"REG":{"g":520,"ab":582,"r":26,"h":88,"doubles":7,"triples":1,"hr":2,"rbi":30,"sb":0,"bb":22,"so":171,"avg":0.151,"obp":0.186,"slg":0.177,"ops":0.363},"POST":{"g":17,"ab":6,"r":0,"h":0,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":0,"so":4,"avg":0,"obp":0,"slg":0,"ops":0}}},{"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":1978,"seasonType":"REG","team":"LAD","gamesPlayed":23,"values":{"g":23,"gs":13,"w":7,"l":4,"sv":3,"ip":111.1,"so":66,"bb":26,"h":92,"er":25,"hr":6,"era":2.02,"whip":1.06},"rowScope":"team"},{"season":1978,"seasonType":"POST","team":"LAD","gamesPlayed":4,"values":{"g":4,"gs":0,"w":1,"l":1,"sv":1,"ip":8.2,"so":11,"bb":2,"h":6,"er":4,"hr":2,"era":4.15,"whip":0.92},"rowScope":"team"},{"season":1979,"seasonType":"REG","team":"LAD","gamesPlayed":25,"values":{"g":25,"gs":12,"w":5,"l":6,"sv":5,"ip":81.1,"so":64,"bb":32,"h":82,"er":36,"hr":7,"era":3.98,"whip":1.4},"rowScope":"team"},{"season":1980,"seasonType":"REG","team":"LAD","gamesPlayed":32,"values":{"g":32,"gs":32,"w":14,"l":9,"sv":0,"ip":213.2,"so":141,"bb":79,"h":190,"er":78,"hr":15,"era":3.29,"whip":1.26},"rowScope":"team"},{"season":1981,"seasonType":"REG","team":"LAD","gamesPlayed":23,"values":{"g":23,"gs":23,"w":9,"l":5,"sv":0,"ip":141.1,"so":88,"bb":41,"h":141,"er":54,"hr":11,"era":3.44,"whip":1.29},"rowScope":"team"},{"season":1981,"seasonType":"POST","team":"LAD","gamesPlayed":5,"values":{"g":5,"gs":1,"w":0,"l":0,"sv":1,"ip":2.2,"so":3,"bb":2,"h":5,"er":3,"hr":0,"era":10.13,"whip":2.63},"rowScope":"team"},{"season":1982,"seasonType":"REG","team":"LAD","gamesPlayed":36,"values":{"g":36,"gs":36,"w":16,"l":11,"sv":0,"ip":235.2,"so":176,"bb":81,"h":199,"er":88,"hr":19,"era":3.36,"whip":1.19},"rowScope":"team"},{"season":1983,"seasonType":"REG","team":"LAD","gamesPlayed":31,"values":{"g":31,"gs":31,"w":15,"l":12,"sv":0,"ip":204,"so":156,"bb":72,"h":164,"er":60,"hr":13,"era":2.65,"whip":1.16},"rowScope":"team"},{"season":1983,"seasonType":"POST","team":"LAD","gamesPlayed":1,"values":{"g":1,"gs":1,"w":0,"l":1,"sv":0,"ip":1.1,"so":0,"bb":2,"h":0,"er":1,"hr":0,"era":6.75,"whip":1.5},"rowScope":"team"},{"season":1984,"seasonType":"REG","team":"LAD","gamesPlayed":31,"values":{"g":31,"gs":29,"w":13,"l":13,"sv":0,"ip":178.2,"so":126,"bb":58,"h":191,"er":75,"hr":11,"era":3.78,"whip":1.39},"rowScope":"team"},{"season":1985,"seasonType":"REG","team":"LAD","gamesPlayed":23,"values":{"g":23,"gs":23,"w":14,"l":4,"sv":0,"ip":167.1,"so":96,"bb":35,"h":141,"er":43,"hr":16,"era":2.31,"whip":1.05},"rowScope":"team"},{"season":1985,"seasonType":"POST","team":"LAD","gamesPlayed":1,"values":{"g":1,"gs":1,"w":0,"l":1,"sv":0,"ip":2.2,"so":2,"bb":6,"h":5,"er":2,"hr":1,"era":6.75,"whip":4.13},"rowScope":"team"},{"season":1986,"seasonType":"REG","team":"LAD","gamesPlayed":33,"values":{"g":33,"gs":33,"w":7,"l":13,"sv":0,"ip":235.2,"so":183,"bb":55,"h":227,"er":86,"hr":14,"era":3.28,"whip":1.2},"rowScope":"team"},{"season":1987,"seasonType":"REG","team":"LAD","gamesPlayed":35,"values":{"g":35,"gs":35,"w":15,"l":9,"sv":0,"ip":251.2,"so":196,"bb":86,"h":204,"er":90,"hr":21,"era":3.22,"whip":1.15},"rowScope":"team"},{"season":1988,"seasonType":"REG","team":"ATH","gamesPlayed":36,"values":{"g":36,"gs":36,"w":17,"l":9,"sv":0,"ip":244.2,"so":158,"bb":81,"h":237,"er":99,"hr":22,"era":3.64,"whip":1.3},"rowScope":"team"},{"season":1988,"seasonType":"POST","team":"ATH","gamesPlayed":2,"values":{"g":2,"gs":2,"w":0,"l":0,"sv":0,"ip":6.2,"so":8,"bb":5,"h":12,"er":6,"hr":1,"era":8.1,"whip":2.55},"rowScope":"team"},{"season":1989,"seasonType":"REG","team":"ATH","gamesPlayed":33,"values":{"g":33,"gs":33,"w":17,"l":8,"sv":0,"ip":209.2,"so":137,"bb":78,"h":191,"er":70,"hr":13,"era":3,"whip":1.28},"rowScope":"team"},{"season":1989,"seasonType":"POST","team":"ATH","gamesPlayed":1,"values":{"g":1,"gs":1,"w":1,"l":0,"sv":0,"ip":5.2,"so":4,"bb":1,"h":8,"er":2,"hr":0,"era":3.18,"whip":1.59},"rowScope":"team"},{"season":1990,"seasonType":"REG","team":"ATH","gamesPlayed":35,"values":{"g":35,"gs":35,"w":27,"l":6,"sv":0,"ip":238,"so":127,"bb":77,"h":214,"er":78,"hr":26,"era":2.95,"whip":1.22},"rowScope":"team"},{"season":1990,"seasonType":"POST","team":"ATH","gamesPlayed":2,"values":{"g":2,"gs":2,"w":1,"l":0,"sv":0,"ip":14.2,"so":6,"bb":5,"h":15,"er":5,"hr":0,"era":3.07,"whip":1.36},"rowScope":"team"},{"season":1991,"seasonType":"REG","team":"ATH","gamesPlayed":35,"values":{"g":35,"gs":35,"w":12,"l":13,"sv":0,"ip":220,"so":101,"bb":91,"h":220,"er":112,"hr":25,"era":4.58,"whip":1.41},"rowScope":"team"},{"season":1992,"seasonType":"REG","team":"ATH","gamesPlayed":20,"values":{"g":20,"gs":20,"w":11,"l":7,"sv":0,"ip":123.2,"so":47,"bb":43,"h":114,"er":45,"hr":13,"era":3.27,"whip":1.27},"rowScope":"team"},{"season":1992,"seasonType":"POST","team":"ATH","gamesPlayed":1,"values":{"g":1,"gs":1,"w":0,"l":0,"sv":0,"ip":7,"so":7,"bb":1,"h":7,"er":2,"hr":1,"era":2.57,"whip":1.14},"rowScope":"team"},{"season":1993,"seasonType":"REG","team":"ATH","gamesPlayed":30,"values":{"g":30,"gs":28,"w":9,"l":11,"sv":0,"ip":166.2,"so":63,"bb":56,"h":208,"er":98,"hr":25,"era":5.29,"whip":1.58},"rowScope":"team"},{"season":1994,"seasonType":"REG","team":"ATH","gamesPlayed":25,"values":{"g":25,"gs":8,"w":3,"l":6,"sv":0,"ip":68.2,"so":44,"bb":43,"h":79,"er":54,"hr":10,"era":7.08,"whip":1.78},"rowScope":"team"}],"careerTotals":{"REG":{"g":506,"gs":462,"w":211,"l":146,"sv":8,"ip":3092,"so":1969,"bb":1034,"h":2894,"er":1191,"hr":267,"era":3.47,"whip":1.27},"POST":{"g":17,"gs":9,"w":3,"l":3,"sv":2,"ip":49.1,"so":41,"bb":24,"h":58,"er":25,"hr":5,"era":4.56,"whip":1.66}}},{"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":1978,"seasonType":"REG","team":"LAD","values":{"ops_plus":8,"era_plus":175},"rowScope":"team"},{"season":1979,"seasonType":"REG","team":"LAD","values":{"ops_plus":-12,"era_plus":95},"rowScope":"team"},{"season":1980,"seasonType":"REG","team":"LAD","values":{"ops_plus":54,"era_plus":111},"rowScope":"team"},{"season":1981,"seasonType":"REG","team":"LAD","values":{"ops_plus":47,"era_plus":105},"rowScope":"team"},{"season":1982,"seasonType":"REG","team":"LAD","values":{"ops_plus":-7,"era_plus":108},"rowScope":"team"},{"season":1983,"seasonType":"REG","team":"LAD","values":{"ops_plus":-26,"era_plus":139},"rowScope":"team"},{"season":1984,"seasonType":"REG","team":"LAD","values":{"ops_plus":-43,"era_plus":97},"rowScope":"team"},{"season":1985,"seasonType":"REG","team":"LAD","values":{"ops_plus":25,"era_plus":156},"rowScope":"team"},{"season":1986,"seasonType":"REG","team":"LAD","values":{"ops_plus":-15,"era_plus":115},"rowScope":"team"},{"season":1987,"seasonType":"REG","team":"LAD","values":{"ops_plus":6,"era_plus":128},"rowScope":"team"},{"season":1988,"seasonType":"REG","team":"ATH","values":{"ops_plus":null,"era_plus":103},"rowScope":"team"},{"season":1989,"seasonType":"REG","team":"ATH","values":{"ops_plus":null,"era_plus":114},"rowScope":"team"},{"season":1990,"seasonType":"REG","team":"ATH","values":{"ops_plus":null,"era_plus":131},"rowScope":"team"},{"season":1991,"seasonType":"REG","team":"ATH","values":{"ops_plus":null,"era_plus":88},"rowScope":"team"},{"season":1992,"seasonType":"REG","team":"ATH","values":{"ops_plus":null,"era_plus":105},"rowScope":"team"},{"season":1993,"seasonType":"REG","team":"ATH","values":{"ops_plus":null,"era_plus":76},"rowScope":"team"},{"season":1994,"seasonType":"REG","team":"ATH","values":{"ops_plus":-100,"era_plus":59},"rowScope":"team"}],"careerTotals":{"REG":{"ops_plus":3,"era_plus":109}},"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":"2026-07-03T02:37:06.742Z"}