Giants win on Brandon Belt's 10th-inning blast

PHOENIX - Brandon Belt hit a two-run homer with two out in the 10th inning, and the San Francisco Giants beat the Arizona Diamondbacks 4-3 on Wednesday night to stop a four-game slide.

Andrew McCutchen opened the 10th with a leadoff single against Brad Boxberger. Buster Posey then struck out swinging and Evan Longoria flied to center before Belt a hit a towering drive into the seats in right for his second homer of the season.

Boxberger (0-1) had opened the season with seven scoreless appearances of an inning apiece. Hunter Strickland (2-0) got the win despite blowing a save chance.

Arizona rallied in the bottom half of the 10th. Pinch-hitter John Ryan Murphy and David Peralta began the inning with consecutive doubles against Cory Gearrin.

The Diamondbacks had runners on the corners with one out when Gearrin struck out A.J. Pollock. Daniel Descalso then walked before Alex Avila grounded out, giving Gearrin his first save.

Longoria hit a two-run homer in the sixth, snapping San Francisco's 21-inning scoreless streak, and Chris Stratton carried a shutout into the eighth before Arizona rallied.

Jarrod Dyson got the Diamondbacks on the board with a run-scoring triple with none out. But Tony Watson came in and escaped the jam.

Arizona then tied in the ninth on consecutive doubles for Paul Goldschmidt and Pollock off Strickland. Pollock advanced on a fly ball, but was stranded at third.

Longoria finished with three hits, including a double and a single. McCutchen had two hits.

Diamondbacks starter Robbie Ray allowed two runs and five hits in six innings.

TRAINER'S ROOM

Giants: RHP Jeff Samardzija (pectoral strain) could pitch as soon as Friday, manager Bruce Bochy said. Samardzija has not yet pitched in the majors this season. ... Longoria was back in the lineup after missing Tuesday's game with a sore left ankle.

Diamondbacks: RHP Taijuan Walker will have surgery for a partial elbow ligament tear, manager Torey Lovullo said. ... 3B Jake Lamb (sprained shoulder) played four innings with five at-bats in an extended spring training game.

OUTFIELD MISHAPS

The Giants made a pair of defensive gaffes in the outfield. Hunter Pence dropped a fly ball to left with two outs in the sixth, and Austin Jackson misjudged a Goldschmidt drive to center in the seventh that was a scored a double. Neither came back to hurt the Giants.