Orioles promote outfield prospect Colton Cowser to major leagues
MLB top prospect Jackson Holliday breaks silence on expectations
Baseball's No. 1 Prospect Continuing Massive Ascent Up Minor
Prospect Report: Jackson Holliday Clubs First Triple-A Home Run
Report: MLB's top prospect Jackson Holliday being promoted to AAA
Orioles promoting shortstop Jackson Holliday, baseball's No. 1
O's promote Holliday, MLB's top prospect, to Triple-A at 19 - ESPN
Orioles call up Colton Cowser, hope for an offensive spark
Jackson Holliday was promoted yet again
Baltimore Orioles' Top Prospect Jackson Holliday Shows Promise for
Orioles to promote top prospect Jackson Holliday to Triple-A
Orioles' Jackson Holliday earns Prospect Hitter of the Year Award
Jackson Holliday follows future Orioles teammate Gunnar Henderson