Reds designated LHP Ismael Guillon for assignment.
Reds prospect LHP Ismael Guillon allowed two earned runs with nine strikeouts in seven innings on Sunday for Low-A Dayton.
Reds left-handed prospect Ismael Guillon fanned 11 batters in seven shutout innings on Wednesday for Low-A Dayton.
Reds optioned LHP Ismael Guillon to Double-A Pensacola.
Reds purchased the contract of LHP Ismael Guillon from Class A Dayton.