PHOENIX (AP) -- Charlie Morton threw six scoreless innings and the Pittsburgh Pirates slowed Arizona's drive toward the NL West title with a 5-3 victory over the Diamondbacks on Tuesday night.
The Diamondbacks got some help, though, when Clayton Kershaw pitched the Dodgers to a 2-1 victory over San Francisco in Los Angeles. Any combination of three Arizona victories or San Francisco losses and the Diamondbacks will dethrone the Giants as division champions.
Derrek Lee hit a two-run homer in the eighth for the Pirates and Pedro Alvarez had a solo shot in the second.
Morton (10-10), loser of his previous four starts, allowed three hits and struck out five in his first victory since Aug. 8.
Daniel Hudson (16-11) lasted five innings for the Diamondbacks, allowing three runs and seven hits.