Sandoval, Bochy explained, is just getting a break.
"More than anything, [we're] being cautious," Bochy said. "Just giving him a breather. It's a good day to put [Joaquin] Arias in [at third]."
While Sandoval has hit safely in six of eight games, Arias is 2-for-7 (.286) in six games this season. Arias made a start at first base against the Dodgers on April 2.
Willie Bans is a contributor to MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.