The Giants placed Alexander on the 15-day injured list Saturday with a left hamstring strain.

EDGE Analysis

It's an early shutdown for Alexander, who finishes with a 4.66 ERA, 1.37 WHIP and 31:11 K:BB in 48.1 innings of work for San Francisco. The 34-year-old lefty reliever is scheduled to become a free agent this winter.

Alexander (7-3) allowed two unearned runs on one hit in two-thirds of an inning to take the loss in Game 2 of Saturday's doubleheader versus the Rockies.

EDGE Analysis

It wasn't a great first inning for the Giants overall, and their offense never caught up, leaving Alexander to take his first loss since Aug. 8. The southpaw hasn't strung together more than two scoreless appearances in a row since July, pitching to a rough 7.36 ERA and 2.05 WHIP over his last 14.2 innings. He's at a 4.47 ERA, 1.32 WHIP and 29:11 K:BB through 46.1 innings overall, and he's added a save, eight holds and two blown saves this season.

Alexander will be the opener for the second game of Saturday's doubleheader against the Rockies, Susan Slusser of the San Francisco Chronicle reports.

EDGE Analysis

Alexander has been the first pitcher on the mound on seven previous occasions this season. Only once did he throw more than one inning in that role, and he never threw more than 1.2 frames. Expect a similarly brief outing Saturday before he turns the ball over to a bulk reliever, with Jakob Junis the most likely candidate.

Alexander (7-2) allowed two runs on three hits and a walk over 1.1 innings, earning the win Sunday over Atlanta.

EDGE Analysis

The left-hander entered after Tristan Beck was pulled in the fifth inning. Alexander allowed an inherited runner to score in that frame and gave up a two-run home run to Marcell Ozuna in the sixth, but the Giants were able to hold the lead the rest of the way. Through 47 appearances, including seven as an opener, Alexander has a 4.46 ERA, 1.34 WHIP and 24:11 K:BB over 40.1 innings. He's been particularly shaky in August with a 9.35 ERA and 2.65 WHIP over 8.2 innings this month, so it's unlikely he sees much late-inning work over the final month-plus of the campaign.

Alexander will start Sunday's game against the Phillies, Andrew Baggarly of The Athletic reports.

EDGE Analysis

Alexander has opened six times for the Giants this season and hasn't covered more than 1.2 frames in any of those outings. The left-hander has a 4.06 ERA through 44 appearances on the campaign and is likely good for a handful of outs Monday before giving way to bulk option Sean Manaea.

Alexander will serve as the Giants' opener Friday versus the Rangers, Alex Pavlovic of NBC Sports Bay Area reports.

EDGE Analysis

Ross Stripling had been projected to start, but he'll instead likely operate in bulk relief. This is the sixth opener assignment of the year for Alexander, who has posted an overall 4.01 ERA, 1.16 WHIP and 18:7 K:BB across 33.2 innings (40 appearances) this season with San Francisco.

Alexander (6-2) took the loss Tuesday, allowing three runs on three hits and did not record an out in a 7-5 loss to the Angels.

EDGE Analysis

Alexander was unable to register an out while serving as the Giants' opener Tuesday, surrendering a double and a pair of singles to his first three batters before quickly being replaced by Jakob Junis. Alexander has failed to complete a full inning in three straight appearances, a stretch in which he's allowed four runs on six hits without logging a single punchout.

Alexander will serve as the Giants' opening pitcher Tuesday versus the Angels, Susan Slusser of the San Francisco Chronicle reports.

EDGE Analysis

Alex Wood is expected to follow him and handle the majority of the innings. This will be the fifth opener assignment of the year for Alexander, who has registered an overall 3.21 ERA, 1.07 WHIP and 18:7 K:BB across 33.2 innings (39 appearances) this season with San Francisco.

Alexander will start Thursday's game against Arizona, Susan Slusser of the San Francisco Chronicle reports.

EDGE Analysis

Alexander has seemingly fallen into a somewhat-regular role as an opener recently, as Thursday will mark his third start since July 24. The 34-year-old lefty holds a solid 3.13 ERA and 0.98 WHIP through 31.2 innings on the year and will likely only remain on the mound for an inning or two.

Alexander will start Sunday's game against the Red Sox, Alex Pavlovic of NBC Sports Bay Area reports.

EDGE Analysis

The left-hander has opened two games for the Giants this season and will do so for the third time Sunday versus the Red Sox. Alexander has given up just two earned runs across his past 18 outings and has a 3.41 ERA, 1.03 WHIP and 16:6 K:BB over 29 innings this season. Ross Stripling has struggled as a traditional starter and could handle the bulk role behind Alexander to close out the series against Boston.