Jackson Holliday promoted to High-A Aberdeen

Jackson Holliday racks up six RBIs for Aberdeen IronBirds

O's promote Holliday, MLB's top prospect, to Triple-A at 19 - ESPN

Aberdeen IronBirds' Jackson Holliday homers in home debut

Jackson Holliday being promoted to Double-A affiliate, per reports, Sports

Orioles prospect Jackson Holliday adjusting to High-A Aberdeen with new goals: 'I feel like I'm in a good spot

Gunnar Henderson said Jackson Holliday's Aberdeen start shows he is special hitter - Blog

Orioles promote INF Jackson Holliday, 19, to Triple-A - Field Level Media - Professional sports content solutions

Orioles' top prospect Jackson Holliday to make home debut in Aberdeen - CBS Baltimore

MLB's top prospect Jackson Holliday is putting on a show – and is hyped for Orioles' future

Jackson Holliday already tearing up new league after promotion

Jackson Holliday of the Orioles Joins the Prospect Pad During All-Star Weekend

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

Orioles prospect Jackson Holliday to be promoted to Triple-A Norfolk - The Baltimore Banner

Orioles prospect Jackson Holliday to be promoted to Triple-A Norfolk - The Baltimore Banner