Jackson Holliday reportedly promoted to Bowie Baysox
Orioles promote another top prospect, adding infielder Jordan Westburg
Matt Holliday happy to pass the baseball baton to son Jackson - Blog
No. 1 prospect Jackson Holliday being promoted to Double-A (Mayo & McDermott to AAA) - Blog
Aberdeen IronBirds' Jackson Holliday plays first game at third base
O's promote Holliday, MLB's top prospect, to Triple-A at 19 - ESPN
Jackson Holliday, Druw Jones become first MLB sons drafted top two
Roch Kubatko - Blog
Coppin Baseball Partners With MLB, Baltimore Orioles To Host PLAY BALL Event – Black College Nines
Jackson Holliday, Orioles agree to record deal
Baltimore Orioles Promote Jackson Holliday, No. 10 Prospect in Baseball, to High-A - Fastball
Source: Jackson Holliday is being promoted to Triple-A Norfolk - Blog