Ryan Mountcastle, the Orioleshangout.com number four prospect for 2020, will join the Baltimore major league 28 person roster this evening.
Other Top MLB Prospects have recently been promoted so all significant deadlines regarding service and status appear to have been met. Glowing reports from Bowie regarding his progress as a left fielder have been arviving all week.
Former Orioles First Baseman Chris Davis has been placed on the ten day injury list.
Mountcastle will wear number 6.