Utility player Carter Trice and infielder Drew Bowser were both promoted to Myrtle Beach from ACL Cubs.
Shortstop Fabian Pertuz went from Low-A Myrtle Beach to Triple-A Iowa.
Iowa left-hander Brad Wieck went to the development list.
The Cubs signed right-hander Connor Schultz out of Missoula of the independent Pioneer League.
Iowa Cubs
The Iowa Cubs were sunk by the Columbus Clippers (Guardians), 3-2.
Starter Riley Thompson got the loss after he gave up two runs on three hits over 4.