{"sport":"mlb","slug":"wally-backman","bio":{"fullName":"Wally Backman","position":"2B","team":"SEA","heightInches":69,"weightLbs":160,"birthDate":"1959-09-22","rookieSeason":1980,"lastSeason":1993,"status":"RET","externalIds":{"mlbam":"110419","chadwick":"5e71eb53","retro":"backw001","wikidata":"Q7963289"}},"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":1980,"seasonType":"REG","team":"NYM","gamesPlayed":27,"values":{"g":27,"ab":93,"r":12,"h":30,"doubles":1,"triples":1,"hr":0,"rbi":9,"sb":2,"bb":11,"so":14,"avg":0.323,"obp":0.396,"slg":0.355,"ops":0.751},"rowScope":"team"},{"season":1981,"seasonType":"REG","team":"NYM","gamesPlayed":26,"values":{"g":26,"ab":36,"r":5,"h":10,"doubles":2,"triples":0,"hr":0,"rbi":0,"sb":1,"bb":4,"so":7,"avg":0.278,"obp":0.35,"slg":0.333,"ops":0.683},"rowScope":"team"},{"season":1982,"seasonType":"REG","team":"NYM","gamesPlayed":96,"values":{"g":96,"ab":261,"r":37,"h":71,"doubles":13,"triples":2,"hr":3,"rbi":22,"sb":8,"bb":49,"so":47,"avg":0.272,"obp":0.387,"slg":0.372,"ops":0.759},"rowScope":"team"},{"season":1983,"seasonType":"REG","team":"NYM","gamesPlayed":26,"values":{"g":26,"ab":42,"r":6,"h":7,"doubles":0,"triples":1,"hr":0,"rbi":3,"sb":0,"bb":2,"so":8,"avg":0.167,"obp":0.205,"slg":0.214,"ops":0.419},"rowScope":"team"},{"season":1984,"seasonType":"REG","team":"NYM","gamesPlayed":128,"values":{"g":128,"ab":436,"r":68,"h":122,"doubles":19,"triples":2,"hr":1,"rbi":26,"sb":32,"bb":56,"so":63,"avg":0.28,"obp":0.36,"slg":0.339,"ops":0.699},"rowScope":"team"},{"season":1985,"seasonType":"REG","team":"NYM","gamesPlayed":145,"values":{"g":145,"ab":520,"r":77,"h":142,"doubles":24,"triples":5,"hr":1,"rbi":38,"sb":30,"bb":36,"so":72,"avg":0.273,"obp":0.32,"slg":0.344,"ops":0.664},"rowScope":"team"},{"season":1986,"seasonType":"REG","team":"NYM","gamesPlayed":124,"values":{"g":124,"ab":387,"r":67,"h":124,"doubles":18,"triples":2,"hr":1,"rbi":27,"sb":13,"bb":36,"so":32,"avg":0.32,"obp":0.376,"slg":0.385,"ops":0.761},"rowScope":"team"},{"season":1986,"seasonType":"POST","team":"NYM","gamesPlayed":12,"values":{"g":12,"ab":39,"r":9,"h":11,"doubles":0,"triples":0,"hr":0,"rbi":3,"sb":2,"bb":5,"so":6,"avg":0.282,"obp":0.364,"slg":0.282,"ops":0.646},"rowScope":"team"},{"season":1987,"seasonType":"REG","team":"NYM","gamesPlayed":94,"values":{"g":94,"ab":300,"r":43,"h":75,"doubles":6,"triples":1,"hr":1,"rbi":23,"sb":11,"bb":25,"so":43,"avg":0.25,"obp":0.307,"slg":0.287,"ops":0.594},"rowScope":"team"},{"season":1988,"seasonType":"REG","team":"NYM","gamesPlayed":99,"values":{"g":99,"ab":294,"r":44,"h":89,"doubles":12,"triples":0,"hr":0,"rbi":17,"sb":9,"bb":41,"so":49,"avg":0.303,"obp":0.388,"slg":0.344,"ops":0.732},"rowScope":"team"},{"season":1988,"seasonType":"POST","team":"NYM","gamesPlayed":7,"values":{"g":7,"ab":22,"r":2,"h":6,"doubles":1,"triples":0,"hr":0,"rbi":2,"sb":1,"bb":2,"so":5,"avg":0.273,"obp":0.333,"slg":0.318,"ops":0.651},"rowScope":"team"},{"season":1989,"seasonType":"REG","team":"MIN","gamesPlayed":87,"values":{"g":87,"ab":299,"r":33,"h":69,"doubles":9,"triples":2,"hr":1,"rbi":26,"sb":1,"bb":32,"so":45,"avg":0.231,"obp":0.306,"slg":0.284,"ops":0.59},"rowScope":"team"},{"season":1990,"seasonType":"REG","team":"PIT","gamesPlayed":104,"values":{"g":104,"ab":315,"r":62,"h":92,"doubles":21,"triples":3,"hr":2,"rbi":28,"sb":6,"bb":42,"so":53,"avg":0.292,"obp":0.374,"slg":0.397,"ops":0.771},"rowScope":"team"},{"season":1990,"seasonType":"POST","team":"PIT","gamesPlayed":3,"values":{"g":3,"ab":7,"r":1,"h":1,"doubles":1,"triples":0,"hr":0,"rbi":0,"sb":1,"bb":1,"so":3,"avg":0.143,"obp":0.25,"slg":0.286,"ops":0.536},"rowScope":"team"},{"season":1991,"seasonType":"REG","team":"PHI","gamesPlayed":94,"values":{"g":94,"ab":185,"r":20,"h":45,"doubles":12,"triples":0,"hr":0,"rbi":15,"sb":3,"bb":30,"so":30,"avg":0.243,"obp":0.344,"slg":0.308,"ops":0.652},"rowScope":"team"},{"season":1992,"seasonType":"REG","team":"PHI","gamesPlayed":42,"values":{"g":42,"ab":48,"r":6,"h":13,"doubles":1,"triples":0,"hr":0,"rbi":6,"sb":1,"bb":6,"so":9,"avg":0.271,"obp":0.352,"slg":0.292,"ops":0.644},"rowScope":"team"},{"season":1993,"seasonType":"REG","team":"SEA","gamesPlayed":10,"values":{"g":10,"ab":29,"r":2,"h":4,"doubles":0,"triples":0,"hr":0,"rbi":0,"sb":0,"bb":1,"so":8,"avg":0.138,"obp":0.167,"slg":0.138,"ops":0.305},"rowScope":"team"}],"careerTotals":{"REG":{"g":1102,"ab":3245,"r":482,"h":893,"doubles":138,"triples":19,"hr":10,"rbi":240,"sb":117,"bb":371,"so":480,"avg":0.275,"obp":0.349,"slg":0.339,"ops":0.688},"POST":{"g":22,"ab":68,"r":12,"h":18,"doubles":2,"triples":0,"hr":0,"rbi":5,"sb":4,"bb":8,"so":14,"avg":0.265,"obp":0.342,"slg":0.294,"ops":0.636}}},{"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":1980,"seasonType":"REG","team":"NYM","values":{"ops_plus":115,"era_plus":null},"rowScope":"team"},{"season":1981,"seasonType":"REG","team":"NYM","values":{"ops_plus":100,"era_plus":null},"rowScope":"team"},{"season":1982,"seasonType":"REG","team":"NYM","values":{"ops_plus":118,"era_plus":null},"rowScope":"team"},{"season":1983,"seasonType":"REG","team":"NYM","values":{"ops_plus":20,"era_plus":null},"rowScope":"team"},{"season":1984,"seasonType":"REG","team":"NYM","values":{"ops_plus":105,"era_plus":null},"rowScope":"team"},{"season":1985,"seasonType":"REG","team":"NYM","values":{"ops_plus":93,"era_plus":null},"rowScope":"team"},{"season":1986,"seasonType":"REG","team":"NYM","values":{"ops_plus":119,"era_plus":null},"rowScope":"team"},{"season":1987,"seasonType":"REG","team":"NYM","values":{"ops_plus":64,"era_plus":null},"rowScope":"team"},{"season":1988,"seasonType":"REG","team":"NYM","values":{"ops_plus":119,"era_plus":null},"rowScope":"team"},{"season":1989,"seasonType":"REG","team":"MIN","values":{"ops_plus":68,"era_plus":null},"rowScope":"team"},{"season":1990,"seasonType":"REG","team":"PIT","values":{"ops_plus":120,"era_plus":null},"rowScope":"team"},{"season":1991,"seasonType":"REG","team":"PHI","values":{"ops_plus":92,"era_plus":null},"rowScope":"team"},{"season":1992,"seasonType":"REG","team":"PHI","values":{"ops_plus":91,"era_plus":null},"rowScope":"team"},{"season":1993,"seasonType":"REG","team":"SEA","values":{"ops_plus":-17,"era_plus":null},"rowScope":"team"}],"careerTotals":{"REG":{"ops_plus":98,"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":"2026-07-03T02:37:06.742Z"}