Mariners purchased the contract of RHP Donn Roach from Triple-A Tacoma.
Mariners signed RHP Donn Roach to a minor league contract with an invitation to spring trining.
Blue Jays sent RHP Donn Roach outright to Triple-A Buffalo.
Blue Jays designated RHP Donn Roach for assignment.
Blue Jays claimed RHP Donn Roach off waivers from the Reds; assigned him to Triple-A Buffalo.
Reds designated RHP Donn Roach for assignment.
Reds claimed RHP Donn Roach off waivers from the Cubs; optioned him to Triple-A Louisville.
Cubs designated RHP Donn Roach for assignment.
Cubs optioned RHP Donn Roach to Triple-A Iowa.
Donn Roach will take another turn in the Cubs' rotation Saturday against the Marlins.
Donn Roach got roughed up in his Cubs debut, allowing eight hits and four run in Saturday's loss to the Cardinals.
Cubs recalled RHP Donn Roach from Triple-A Iowa.
Donn Roach will be called up to start on Saturday against the Cardinals.
Cubs reassigned RHP Donn Roach, RHP Pierce Johnson, RHP Corey Black, LHP Hunter Cervenka, and RHP Armando Rivero to minor league camp.