Good news, bad news.

Arizona designates Ryan Rowland-Smith for assignment.

Camden of the Atlantic League places Armando Gabino on the inactive list.

Cubs name Darnell McDonald baseball operations assistant.

Angels select the contract of Yoslan Herrera from AAA Salt Lake.

Dodgers organization (AAA Albuquerque) releases Brendan Harris.

Miami organization promotes Angel Morales from Class A Jupiter to AA Jacksonville.

Mets organization (Class A St. Lucie) places Jairo Perez on the seven-day disabled list.

Oaxaca of the Mexican League signs Daryl Thompson.

Sioux City of the American Association signs Rene Tosoni.

Washington places Denard Span on the seven-day disabled list with a concussion, then sends him to Class A Hagerstown on a rehab assignment.