Struggling D-backs staff gets Zac Gallen back to face A's

(Photo credit: Wendell Cruz-USA TODAY Sports)

Zac Gallen returns from a 30-day absence when the Arizona Diamondbacks face the Oakland Athletics on Saturday in the middle contest of a three-game set at Phoenix.

Gallen has been sidelined since injuring his right hamstring against the New York Mets on May 30. He said he sustained the injury onhis fifth pitch of the game. Gallen exited one pitch later.

When Gallen takes the