Gray limited the Marlins to three hits, and walked one batter.
In the fifth inning, Lowrie delivered an RBI double off Volquez after Matt Joyce drew a walk. Volquez, who gave up three runs in six innings, fell to 0-7.
Davis' two-run shot to center was his 14th of the season. Statcast™ projected the blast at 388 feet with an exit velocity of 103.6 mph.
MOMENTS THAT MATTERED
Tack-on runs: The Marlins, despite limited scoring chances, trailed by two runs in the seventh inning when Lowrie delivered a timely, two-out RBI single to right off Brad Ziegler.