Buster Posey went 1-for-4 with an RBI as the Giants fell to the Diamondbacks 6-2 on Monday.
Ryan Vogelsong allowed four runs over 5 2/3 innings as the Giants dropped a 6-2 decision versus the Diamondbacks on Monday.
Giants activated 1B Brandon Belt from the 15-day disabled list.
Angel Pagan was scratched from Monday's lineup due to back stiffness.
Giants manager Bruce Bochy said that Michael Morse (oblique) was "tentative" while taking batting practice Monday.
Brandon Belt (concussion) could be activated from the disabled list on Monday.
Yusmeiro Petit surrendered four runs -- three earned -- over seven innings in a loss to the Dodgers Sunday.
Michael Morse (oblique) won't take batting practice until Monday or Tuesday.
Tim Hudson was charged with six runs in one-plus innings Saturday in a loss to the Dodgers.
Tim Lincecum gave up five runs in three innings of relief Saturday against the Dodgers.
Brandon Belt (concussion) will face live pitching on Monday.
J.C. Gutierrez (biceps) returned to game action on Friday, logging a pair of scoreless innings to complete a shutout against the Dodgers.
Madison Bumgarner shut out the Dodgers for seven innings in the Giants' 9-0 drubbing Friday.
Brandon Crawford had a two-run homer and an RBI double versus the Dodgers in Friday's rout.
Brandon Belt (concussion) will take batting practice on Friday.