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MIAMI -- Dan Uggla homered and drove in four runs to help the Florida Marlins beat Arizona 8-6 on Wednesday night in the first game of a doubleheader overshadowed by the death of the wife of Diamondbacks pitcher Scott Schoeneweis.

In Arizona, the Maricopa County Sheriff's Office said deputies found the body of 39-year-old Gabrielle Dawn Schoeneweis on the floor of the master bedroom in the family's home shortly after noon Wednesday.

A team spokesman said Schoeneweis left the team to return to Phoenix.

"Words cannot describe how shocked and saddened we are this evening," the Diamondbacks said in a statement. "This is a tragedy for the Schoeneweis family, who we naturally consider members of our family. We are here to support Scott in any way during this traumatic period in his life."

Jorge Cantu, Cody Ross and Wes Helms also drove in runs for the Marlins in their second victory in their last nine games. Florida starter Chris Volstad (3-3) struck out a career-high nine and won for the first time since April 14. The 22-year-old right-hander allowed four runs and five hits in six innings.

The Marlins opened the scoring in the first inning when Emilio Bonifacio scored on Cantu's groundout. Bonifacio and Jeremy Hermida both singled to start the inning and advanced on a double steal. Hermida came home on Ross' double to make it 2-0.

In the third. Uggla drew a bases loaded walk to make it 3-0.

Volstad retired 11 straight at one point until Mark Reynolds drew a walk to lead off the fifth. Chad Tracy drove him in with a single, and Chris Snyder tied it at 3 with a two-run homer to left.

Arizona starter Doug Davis struggled with his command and was pulled in the fifth with the bases loaded. Jon Rauch came on in relief and promptly threw a wild pitch allowing Hanley Ramirez to score. Rauch also gave up a three-run homer to Uggla, his fifth of the season, off of the left-field foul pole that made it 7-3.

Dan Meyer relieved Volstad and gave up a solo shot to Tracy and an RBI single to Gerardo Parra as Arizona pulled to 7-6. Kiko Calero, Leo Nunez, and Matt Lindstrom combined to hold off the Diamondbacks in the final 2 2-3 innings. Lindstrom picked up his eighth save after Helms drove in an insurance run in the eighth.

Davis (2-6) allowed four runs in 4 1/3 innings. He gave up six hits and five walks and struck out four.

Game notes

Uggla was hitting .150 (6-for-40) against lefties before his homer off of Rauch. ... Volstad was robbed of a base hit in the second inning when he hit a sharp line drive back at Davis, who managed to get his glove on the ball without looking and deflected it right to Tracy standing at first base. ... Reynolds stole a career-high four bases.