Source: Orioles promote No. 1 prospect Jackson Holliday to Norfolk
Orioles to promote top prospect Jackson Holliday to Triple-A
Orioles promote outfield prospect Colton Cowser to major leagues
Orioles' Jackson Holliday had to talk his way into hotel stay
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Orioles promote outfield prospect Colton Cowser to major leagues
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Jackson Holliday Had a Hard Time Getting a Hotel Room Because of
Orioles promote baseball's No. 1 ranked prospect Jackson Holliday
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Orioles promoting shortstop Jackson Holliday, baseball's No. 1
Orioles promote outfield prospect Colton Cowser to major leagues
Orioles Infield Prospect Jackson Holliday 'Trying To Get Stronger