Oregon State League

The league permanently folded midway through its first season of play, with the Salem Raglans in first place.[3] The Oregon State League began play as a four–team league, hosting franchises from Eugene, Oregon (Eugene Blues),[4] Roseburg, Oregon (Roseburg Shamrocks), Salem, Oregon (Salem Raglans) [5] and Vancouver, Washington (Vancouver Soldiers).[7]<[8][9] On May 18, 1904, the Vancouver Soldiers, with a 3–8 record, moved from Vancouver, Washington to Albany, Oregon to become the Albany Rollers.[8] The Oregon State League was not admitted to the National Association until it vacated the Vancouver, Washington franchise, which was deemed to be in the territory of the Portland Browns franchise of the Pacific Coast League.[10][8][11][7] The Oregon State League stopped play on Wednesday, July 6, 1904, when the Eugene and Roseburg franchises both folded.
Class DMinor League BaseballUnited States of AmericaSalem RaglansOregonWashingtonEugene, OregonEugene BluesRoseburg, OregonRoseburg ShamrocksSalem, OregonVancouver, WashingtonVancouver SoldiersVancouver, CanadaAlbany, OregonAlbany RollersNational AssociationPortland BrownsPacific Coast LeagueSalem-IndependenceHeinie ReitzHunky ShawBaseball AmericaMajor League BaseballAmerican LeagueNational LeagueTriple-AInternational LeagueDouble-AEastern LeagueSouthern LeagueTexas LeagueHigh-AMidwest LeagueNorthwest LeagueSouth Atlantic LeagueSingle-ACalifornia LeagueCarolina LeagueFlorida State LeagueArizona Complex LeagueDominican Summer LeagueFlorida Complex LeagueIndependentAmerican AssociationAtlantic LeagueFrontier LeaguePioneer LeagueMLB Draft LeagueCuban National SeriesCuraçao AA LeagueEmpire LeagueMexican LeagueLiga Norte de MéxicoPecos LeagueUnited Shore LeagueVenezuelan Major LeagueWomen's Pro Baseball LeagueOff-seasonArizona Fall LeagueDominican Professional Baseball LeagueMexican Pacific LeaguePuerto Rico Baseball LeagueVenezuelan Professional Baseball LeagueLiga ParalelaArgentine Baseball LeagueColombian Professional Baseball LeagueCuban Elite LeagueCuraçao Professional Baseball LeagueNicaraguan Professional Baseball LeaguePanamanian Professional Baseball LeagueVeracruz Winter LeagueFederal LeagueNegro league baseballPlayers' LeagueUnion AssociationAll-American Girls Professional Baseball LeagueContinental LeagueCuban LeagueUnited States Baseball LeagueList of defunct minor leaguesChina National Baseball LeagueIsrael Baseball LeagueNippon Professional BaseballCentral LeaguePacific LeagueWestern LeagueMiyazaki Phoenix LeagueBaseball Challenge LeagueShikoku Island League PlusJapan Women's Baseball LeagueKBO LeagueKBO Futures LeagueChinese Professional Baseball LeagueTaiwan Major LeagueItalian Baseball LeagueHonkbal HoofdklasseHonkbal OvergangsklasseHonkbal Rookie LeagueAustralian Baseball LeagueAsia Professional Baseball ChampionshipAsia Winter Baseball LeagueCaribbean SeriesLatin American SeriesTriple-A National Championship Game