The Cubs released RHP Brandon Leibrandt and 1B Matt Warkentin.
Right-handed pitchers Jeremiah Estrada and Hunter Bigge promoted from South Bend to Tennessee.
Matt Dermody was named the International League Pitcher of the Month for July.
Iowa Cubs
The Iowa Cubs fried the Toledo Mud Hens (Tigers), 5-4.
Matt Swarmer started, but he only lasted 2.2 innings. Swarmer gave up two runs, one earned, on two hits. He walked two and struck out four.
The win went to Dakota Mekkes, who allowed neither a run nor a hit over 1.