"He has been [playing a lot], he played both games of the doubleheader [in Cincinnati], Friday and also Saturday," Black said. "We felt this was a good day to give him off from starting."
Alexi Amarista got the start at third base against the Rockies.
Since returning from the disabled list, Headley is hitting .208 in 24 at-bats with two home runs, six RBIs, six strikeouts and five walks.
Corey Brock is a reporter for MLB.com. Keep track of @FollowThePadres on Twitter. This story was not subject to the approval of Major League Baseball or its clubs.