10:32 AM - Riley Martin (ChC) Cubs recalled Martin from Triple-A Iowa on Sunday, Jared Wyllys of AllCHGO.com reports.

9:04 AM - Riley Martin (ChC) is expected to be called up from Triple-A Iowa to take the roster spot of Cade Horton (forearm), who is set to land on the injured list, Jordan Bastian and Jason Foster of MLB.com report.

1:42 PM - Riley Martin (ChC) Cubs optioned Martin to Triple-A Iowa on Sunday.