(San Francisco, CA) -- The Giants are hanging tight to their slim NL West lead heading into the final week of the regular season after a 5-4 walkoff win over the Diamondbacks in San Francisco. LaMonte Wade Jr. singled in the winning run in the bottom of the ninth for the Giants, who rallied from an early 3-0 deficit to win their sixth straight. The Giants remain two games ahead of the Dodgers for the NL West lead with just three games remaining. San Francisco will host San Diego this weekend in its final series, while Los Angeles entertains Milwaukee.