Prospect Report: Jackson Holliday Clubs First Triple-A Home Run

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Prospect Report: Jackson Holliday Homers and Triples For High-A Aberdeen - Baseball America

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Orioles minor league report: Jackson Holliday excels in first week with High-A Aberdeen

Orioles promote Jackson Holliday, baseball's No. 1-ranked prospect, to Triple-A Norfolk at age 19 - Victoria Times Colonist

Orioles promote Jackson Holliday, MLB's No. 1 prospect, to Triple-A at age 19