Souza's spark inches D-backs ahead in NL West

Souza Jr.'s solo home run SAN FRANCISCO -- Searching for answers after the D-backs were shut out by the Giants in consecutive games, manager Torey Lovullo tweaked the lineup Wednesday night, penciling Steven Souza Jr. in at leadoff for the first time this season.

Souza responded with a pair of extra-base hits, including his fourth home run of the season, as the D-backs salvaged the final game of the series at AT&T Park, 3-1.

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The D-backs carried a 25-inning scoreless drought -- the second longest in franchise history -- into the third inning before Souza lifted a leadoff home run to left field. One inning later, Souza followed Nick Ahmed's RBI single by lining a…