Orioles first baseman Ryan Mountcastle expected to miss 8-12 weeks with hamstring strain

Orioles first baseman Ryan Mountcastle expected to miss 8-12 weeks with hamstring strain
Ryan Mountcastle of the Baltimore Orioles will be sidelined for 8-12 weeks due to a Grade 2 right hamstring strain. This setback has led to the team calling up Ryan O'Hearn and Coby Mayo to fill in at first base.