A.J. Pollock homered and drove in four runs to back another strong outing by Patrick Corbin, and the Arizona Diamondbacks beat the Colorado Rockies 8-2 on Wednesday night to expand their lead in the wild-card race.
Paul Goldschmidt had two hits for Arizona, including the 1,000th of his career. Pollock launched a three-run homer in the seventh inning and finished with three hits.
The win gave the Diamondbacks a four-game edge over the Rockies for the top National League wild card. Arizona lost four of its previous five, including the first two games of this series against Colorado.
Corbin (14-12) held the Rockies to one run and four hits over 6 2/3 innings, striking out seven with two walks. The left-hander is 6-1 in his last seven starts since Aug. 12.
Arizona got 11 hits off starter German Marquez (10-7), who lasted only 3 2/3 innings. He gave up four runs.
The Diamondbacks scored once in each of the first five innings, taking a 5-0 lead in the fifth on Pollock's double after J.D. Martinez walked.
Arizona grabbed a 1-0 lead early. Jake Lamb, who was 0 for 12 with one RBI over the previous four games, singled in David Peralta, who led off the first with a double.
Lamb also hit a run-scoring double in the fourth and reached 100 RBIs for the first time in his career.
Peralta lined a two-out double to drive in Corbin in the second, giving the Diamondbacks a 2-0 advantage. Corbin had two hits and scored twice, and Martinez had an RBI double.
DJ LeMahieu's eighth homer was the Rockies' first run of the game. It came in the sixth off Corbin. Carlos Gonzalez scored on Jonathan Lucroy's groundout in the ninth.
Pollock's home run curled into the Arizona bullpen in the left-field corner, caught by reliever Archie Bradley on the fly.
GOOD AS 'GOLDY'
Goldschmidt received a partial standing ovation after his third-inning double that gave him 1,000 hits. He's the second player in club history to accomplish the feat, along with Luis Gonzalez, who had 1,337.
Diamondbacks: INF Chris Owings (broken right middle finger) has been cleared to take grounders and work on his grip strength. He's been on the 60-day disabled list since July 31, but could return to the active roster before the end of the regular season. ... C Jeff Mathis also has a chance to return, manager Torey Lovullo said. Mathis has been on the 10-day DL with a broken right hand since Aug. 22.
Rockies: RHP Chad Bettis (1-2) is scheduled to start the finale of the four-game series Thursday. He is coming off his first win of the season.
Diamondbacks: RHP Zack Godley (7-7) has won both his starts against the Rockies.
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