Astros Bullpen Suddenly Has A Late-Inning Problem At The Worst Time

As the Astros strive for a postseason berth, the team faces a challenge with Steven Okert's injury, testing their bullpen depth in a critical moment.

The Astros’ bullpen took a hit Friday when Steven Okert was placed on the 15-day injured list with a right hamstring strain, a setback that comes right in the middle of Houston’s postseason push.

The move is retroactive to Sept. 1, which means Okert’s earliest possible return would be Sept. 16 against the Kansas City Royals, the Astros’ 152nd game of the season. Okert said the strain is “pretty minor” and sounded hopeful he can come back after the minimum stay.

“Obviously it sucks,” said Okert, a 35-year-old journeyman having the best season of his professional career. “I was having a good year, doing my best to help us win games out there. Pretty let down about it, but just got to get to work on the rehab side and try to get back as soon as possible.”

For Houston, this is more than a routine roster shuffle. Okert has become one of the most trusted arms in the bullpen and one of the more respected voices in the clubhouse. His presence has mattered in a season that has been uneven in a lot of places, but not in the relief corps, where he’s been a steadying force.

The numbers tell the story. Okert has a 2.13 ERA and a 0.87 WHIP in 68 appearances, more than any Astros reliever and more than all but three pitchers in MLB. He has handled just about every non-closer role Houston has asked of him, working as a set-up man, fireman and opener before settling into a seventh-inning job behind Bryan Abreu and Josh Hader.

He said the injury happened during warm-up exercises in Wednesday’s game, even though he hadn’t appeared in Houston’s close games against the Chicago White Sox on Wednesday and Thursday. Imaging on Thursday confirmed the strain and led to the IL move.

“I couldn’t believe it,” Okert said. “Out of all the things, getting ready to go pitch was the thing that got me.”

By the advanced metrics, Okert has been right near the top of Houston’s relief group. Baseball-Reference and FanGraphs both rate him as the club’s second-most valuable reliever this season, behind only Hader, who was named American League Reliever of the Month for August.

He has also handled pressure spots well. Okert has allowed only 10 of the 36 runners he inherited to score, and his neutral platoon splits gave manager Joe Espada the freedom to use him against almost any part of an opposing lineup. He has thrown more than three outs in 12 appearances and worked on back-to-back days 14 times, underscoring how heavily Houston leaned on him.

“Obviously we’re going to miss him,” Espada said. “He’s been a big part of our bullpen and gotten some big outs for us, but we have guys that are going to step up and pick him up.”

The back end of the bullpen still has Abreu and Hader, but the path to those final innings just got shakier. Rookie AJ Blubaugh is expected to get more leverage work while Okert is out, and Bennett Sousa is another option. Sousa has allowed a 1.019 OPS in 51 plate appearances against left-handed hitters, while Blubaugh, a right-hander, has held lefties to a .573 OPS, which could push him ahead in the late-inning mix.

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