Ziegler (knee) faced Chris Owings in live batting practice Wednesday, marking his first appearance of the spring against a hitter, the Arizona Republic reports. The uncertainty surrounding Addison Reed (shoulder) could open up a few early-season save opportunities for Ziegler, but he'll need to progress through several Cactus League games in the coming weeks in order to prove that he's ready to go for the start of the season following microfracture surgery.