1989
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ACL Brewers
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ACL Angels
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AZL Athletics Green
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Albuquerque Isotopes
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Las Vegas Aviators
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Akron RubberDucks
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Tulsa Drillers
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Birmingham Barons
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Carolina Mudcats
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Portland Beavers
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Midland RockHounds
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Oklahoma City Dodgers
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El Paso Diablos
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Durham Bulls
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Memphis Redbirds
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Charleston RiverDogs
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Milwaukee Brewers
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New York Yankees
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Chicago White Sox