Petit, Zito swap rotation spots

PHOENIX -- The Giants made a minor adjustment to the sequence of their starting rotation, announcing Friday that right-hander Yusmeiro Petit will pitch Sunday against Arizona, followed by left-hander Barry Zito on Monday at San Diego.

Zito had preceded Petit in the rotation. But, said manager Bruce Bochy, "We wanted to give Barry a couple of extra days [of rest]."

The remainder of the rotation remained unchanged.

Petit played for Arizona from 2007-09, mostly as a starter. He posted a 9-19 record with a 5.05 ERA in 56 appearances, including 35 starts.