Cubs non-tendered LHP Gerardo Concepcion.
Cubs optioned LHP Gerardo Concepcion to Triple-A Iowa.
Cubs purchased the contract of LHP Gerardo Concepcion from Triple-A Iowa.
Cubs sent LHP Gerardo Concepcion outright to Low-A Kane County.
Cubs recalled LHP Gerardo Concepcion from Low-A Kane County.
According to CBS Sports' Danny Knobler, scouts who have seen Cubs prospect Gerardo Concepcion pitch have come away "totally unimpressed."
Cubs prospect Gerardo Concepcion allowed seven runs in less than an inning Monday at Low-A Peoria.
Cubs prospect Gerardo Concepcion allowed five runs in five innings Wednesday at Single-A Peoria.
Cubs signed LHP Gerardo Concepcion to a five-year, $6 million contract.
According to Jorge Ebro of El Nuevo Herald, the Cubs have signed Cuban left-hander Gerardo Concepcion.
Phil Rogers of the Chicago Tribune reports that the Cubs and White Sox continue to show interest in Cuban left-hander Gerardo Concepcion.
Gerardo Concepcion worked out in front of Rangers executives Monday in the Dominican Republic.
Jesse Sanchez of MLB.com confirms that Cuban left-hander Gerardo Concepcion was declared a free agent by MLB last week.
Enrique Rojas of ESPN Deportes reports that Cuban left-hander Gerardo Concepcion is close to being granted free agency by MLB.