Moreno exited Sunday's game against the Brewers with left adductor tightness, Jesse Friedman of GoPHNX.com reports. As Friedman notes, it's the same injury that Moreno just returned from last week.
The Giants, who are 6-1 on a nine-game road trip, will look to continue the hot streak when they face the Diamondbacks in Phoenix on Tuesday night in the middle contest of a three-game set.