- Associated Press - Sunday, August 10, 2014

PHOENIX (AP) - Colorado Rockies manager Walt Weiss held a team meeting before Saturday night’s game against Arizona, hoping it would provide a spark to his struggling team.

He didn’t quite get the response he expected.

Taking advantage of Colorado’s litany of mistakes in the eighth, the Diamondbacks scored nine runs in the inning to turn a close game in a 14-4 rout over the bumbling Rockies.

“I didn’t say abracadabra or anything,” said Weiss, whose team has lost eight of nine. “I didn’t say any magic words. I just tried to give them some perspective on where we are at.”

They were close at one point.

Arizona’s Trevor Cahill (2-8) did his job, overcoming a shaky defensive first inning by the Diamondbacks to win for the first time since April 23.

Jorge De La Rosa (11-8) settled down after giving up a three-run homer to Mark Trumbo in the third inning and Nolan Arenado, who had three RBIs, pulled Colorado within a run on a solo homer in the eighth.

By the time the bottom half was over, the Diamondbacks’ bats had exploded and the Rockies had imploded.

The Rockies had two errors, a wild pitch and a passed ball in the inning. They also walked in a run.

The Diamondbacks fed off their mistakes and each other, lashing balls all over Chase Field.

Arizona had 15 hits, matching a team record with eight in the eighth. Trumbo finished with four RBIs. Alfredo Marte added a solo homer. Pennington had three hits and scored four runs.

David Peralta, who had a run-scoring double in the first inning, put a big punctuation mark on the inning, sending his first career grand slam over the pool in right-center, leaving even the home fans a bit stunned.

“Hitting is contagious,” Pennington said. “It’s just one of those where guys get a couple of hits, you feel good and things start to roll.”

After shaky start to the season, Cahill had pitched well lately, but Saturday’s game got off to an ominous start.

Colorado scored a run in the first inning when Marte misplayed Arenado’s double in the left corner and Cahill dropped a throw from Trumbo at first to allow another run to come across.

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