SAN FRANCISCO (AP) — Logan Webb retired 19 straight batters on his way to seven smooth innings and the San Francisco Giants beat the Arizona Diamondbacks 5-0 Thursday night to open a four-game series.

Webb (2-1) struck out five and induced 13 groundball outs, allowing just two hits and a walk in a game that took only 2 hours, 12 minutes.

Wilmer Flores had a pinch-hit, two-run double in the eighth and Mike Yastrzemski added a two-run single. LaMonte Wade Jr. delivered a sacrifice fly in the third.

Jung Hoo Lee singled twice to extend his hitting streak to 10 games.

San Francisco earned its first shutout of the season, while Arizona was blanked for the first time and fell to 1-6 in series openers.

Diamondbacks starter Ryne Nelson exited after two scoreless innings with a bruised right elbow when he was hit on the pitching arm by an 87 mph line drive off the bat of Yastrzemski. Nelson was able to field the ball and throw out Yastrzemski at first to end the inning, but the right-hander grimaced and held his forearm as he walked to the dugout.

Nelson was replaced by Logan Allen, who was selected from Triple-A Reno on Wednesday. Allen (0-1) allowed one run and three hits in 4 2/3 innings, striking out three and walking one.

Patrick Bailey led off the bottom of the third with a double. Following a groundout by Nick Ahmed, Lee reached on an infield single to advance Bailey to third.

Wade sent a flyball to center field, deep enough for Bailey to tag up and score.

Flores batted for Michael Conforto with the bases loaded in the eighth and doubled into the left-field corner to make it 3-0. Yastrzemski singled home two more runs to give San Francisco a cushion.

Tyler Rogers and Ryan Walker finished the three-hitter.

TRAINER’S ROOM

Diamondbacks: C Gabriel Moreno (bruised right thumb) returned to the starting lineup after being a late scratch each of the previous two days. He went 0 for 3.

Giants: RHP Alex Cobb felt mild right shoulder irritation and was scheduled to see a team doctor Thursday night. Cobb threw a bullpen Tuesday in Arizona as he continues to recover from offseason left hip surgery. ... RHP Luke Jackson (lower back strain) began a rehab assignment with Class A San Jose, pitching a scoreless inning with one strikeout and one walk.

UP NEXT

Jordan Montgomery is scheduled to make his Diamondbacks debut Friday night. The 31-year-old lefty signed a $25 million, one-year contract on March 29 after winning the World Series with the Texas Rangers last season.

The Giants counter with LHP Blake Snell (0-2, 12.86 ERA), who signed a $62 million, two-year deal on March 19 and is seeking his first win with San Francisco in his third start.

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