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Robert Stock struggles as Mets face pitching question after ugly loss snaps win streak

robert-stock-struggles-as-mets-face-pitching-question-after-ugly-loss-snaps-win-streak
Robert Stock struggles as Mets face pitching question after ugly loss snaps win streak

PITTSBURGH — Robert Stock had a day to remember last Sunday when in his return to a major league mound after thoracic outlet syndrome surgery he gave the Mets five effective innings against Miami. 

But on Saturday he resembled the back of his baseball card: a 36-year-old journeyman who has largely scuffled following a solid rookie season as a reliever with the Padres in 2018. 

Stock couldn’t throw enough strikes against the Pirates, and the ones that did land in the zone were peppered all over the ballpark. With Stock’s rough outing went the Mets’ four-game winning streak in a 9-0 loss at PNC Park. 

Such is life for a club that has struggled to fill a starting rotation this season. Rookie lefty Zac Thornton has mitigated some of that disappointment, but Kodai Senga’s banishment to the bullpen hasn’t helped. 

And in the 30 hours leading into Monday’s trade deadline, the Mets traded an underperforming starter (Freddy Peralta) and pitcher on the cusp of returning from a rehab assignment (Clay Holmes) to the Rays and Cubs, respectively. Those trades — the latter of which also sent Tyrone Taylor to the Cubs — netted the Mets four minor league prospects. 

It doesn’t help that the organization’s top pitching prospect, Jonah Tong, has struggled at Triple-A Syracuse. Most recently the right-hander surrendered five home runs in a start. 

New York Mets pitcher Robert Stock walks off the mound after handing the ball to manager Andy Green during the fourth inning of a baseball game against the Pittsburgh Pirates in Pittsburgh, Saturday, Aug. 8, 2026

New York Mets pitcher Robert Stock walks off the mound after handing the ball to manager Andy Green during the fourth inning of a baseball game against the Pittsburgh Pirates in Pittsburgh, Saturday, Aug. 8, 2026 AP Photo/Gene J. Puskar

So the Mets will have to decide whether to give Stock another chance or dig deeper into the farm system for another arm. Senga has shown improvement recently in a relief role and has expressed his desire to team officials to return to starting at some point. But it’s unclear if the Mets are willing to go that route with the erratic right-hander. 

Overall, Stock allowed eight earned runs on nine hits and five walks with four strikeouts over three innings before his removal at 80 pitches. It followed his Sunday start against the Marlins in which he allowed only one run over five innings. 

 Francisco Alvarez #4 of the New York Mets throws his bat after popping out in the eighth inning during the game against the Pittsburgh Pirates at PNC Park on August 8, 2026 in Pittsburgh, Pennsylvania.

Francisco Alvarez of the New York Mets throws his bat after popping out in the eighth inning during the game against the Pittsburgh Pirates at PNC Park on August 8, 2026 in Pittsburgh, Pennsylvania. Getty Images

Stock got jumped in the first inning, when he gave up three runs on three hits, a walk and a hit batsman. Ronny Simon’s two-run double was the inning’s big hit after Jake Mangum and Bryan Reynolds singled in succession leading off. Stock loaded the bases by plunking Spencer Horwitz and allowed an RBI fielder’s choice to Nick Gonzales before Simon delivered. 

Simon singled and stole second in the third, and Jacob Gonzalez’s RBI single buried Stock in a 4-0 hole. 

The Pirates knocked out Stock in the fourth by scoring another four runs. Mangum’s RBI double extended the Mets’ deficit to 5-0 and Stock’s wild pitch brought in another run. Gonzalez’s two-run double ended Stock’s night. 

Pittsburgh Pirates second baseman Brandon Lowe (5) circles the bases on a solo home run

Pittsburgh Pirates second baseman Brandon Lowe (5) circles the bases on a solo home run. IMAGN IMAGES via Reuters Connect

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Luis Torrens entered to pitch the seventh with the Mets behind 8-0 and allowed one earned run over two innings. 

Offensively, the Mets showed little after blasting 10 homers combined in their previous four games. The lineup was without Carson Benge, who is sidelined with a bone bruise in his left wrist after sliding into the left field fence on Friday. Benge will be evaluated on a daily basis.

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