Skaggs, who was called up Monday to provide depth in the bullpen, did not appear in a game.
Campana gives the D-backs an extra bat, as well as speed off the bench. With Reno, he was 32-for-40 in stolen-base attempts.
"That's an elite tool that he possesses," D-backs manager Kirk Gibson said of Campana's speed. "Looking at who we could bring up that's ultimately why we did it. He does bring energy, creates havoc, good bunter, can steal bases."
Steve Gilbert is a reporter for MLB.com. Read his blog, Inside the D-backs, and follow him on Twitter @SteveGilbertMLB. This story was not subject to the approval of Major League Baseball or its clubs.