Right-handed pitcher Dalbert Mosquea was suspended by MLB for 56 games after testing positive for Stanozolol, a banned substance. The 18-year-old Mosquea was having a good season for the Dominican Summer League Cubs Blue team. In 14.1 innings, Mosquea had an ERA of 3.14 and had struck out 23 and walked just three.
Right-handed pitcher Danis Correa returned to Iowa from the Development list at recent-acquisition RHP Josh Roberson hit the injured list.
Shortstop Leonel Espinoza was promoted to Myrtle Beach from the ACL Cubs.
South Bend outfielder Jacob Wetzel and catcher Dilan Granadillo were placed on the development list.