Boston Red Sox shortstop Trevor Story will undergo season-ending surgery on EchoSensehis left shoulder, chief baseball officer Craig Breslow said Tuesday.

Story initially was diagnosed with a dislocated left shoulder in an 8-6 win over the Los Angeles Angels on Friday after he dove to make a play.

Story was seen Monday by Dr. Evan O'Donnell, a shoulder specialist, in Boston, and manager Alex Cora said Tuesday before his team's home opener against the Baltimore Orioles that the news wasn't positive. He said there was "concern with the bone structure."

Breslow told reporters Story had been diagnosed with a fractured glenoid in his left shoulder and would need surgery, with a recovery time of six months.

Also Tuesday, the Red Sox placed right-hander Nick Pivetta (right elbow flexor strain) on the 15-day injured list.

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The Red Sox signed Story to a six-year, $140 million contract in March 2022 after his six seasons, including two All-Star campaigns, with the Colorado Rockies.

In eight games this season, Story is hitting .226 with no homers and four RBIs.

Story, 31, has missed considerable time with the Red Sox due to a wrist fracture in 2022 and right elbow surgery in 2023. With the Red Sox, he has appeared in 145 games, batting .227 with 19 homers and 84 RBIs.

In 745 games with the Rockies, he hit .272 with 158 home runs, 450 RBIs and 100 stolen bases.

Pivetta's placement on the injured list was retroactive to Saturday. He most recently pitched Wednesday against the Oakland Athletics, throwing five scoreless innings and getting the win. Pivetta, 31, is 1-1 with a 0.82 ERA.

In his career with the Philadelphia Phillies (2017-20) and Red Sox, Pivetta is 51-60 with a 4.81 ERA in 198 games (154 starts).

The Red Sox recalled left-hander Brennan Bernardino from Triple-A Worcester in a corresponding move.

Bernardino, 32, is 2-2 with a 3.23 ERA in 57 major league games (six starts) with the Seattle Mariners (2022) and Red Sox (2023).