Griffin Canning's 2025 season has come to a painful end.

The New York Mets starting pitcher suffered a ruptured left Achilles injury during the team's 4-0 win over the Atlanta Braves on Thursday, the team confirmed.

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The 29-year-old Canning exited in the third inning after he started running from the mound to field a ground ball. He immediately pulled up limping and then fell to the ground, clearly in pain. After a visit from trainers, he was slowly helped to the clubhouse.

“Horrible,” Mets manager Carlos Mendoza said afterward. “It sucks. You hate to see it, especially the way [Canning] went down right away. When you get there, you are asking, ‘What’s going on?’ ... I feel sorry for the guy, especially how big he has been for us and the way he has been throwing the ball all year. He has been pretty consistent. It’s unfortunate. You hate to see it. You feel for the guy."

Canning's season is over after a strong start to his Mets career. New York signed Canning to a one-year, $4.25 million deal last winter as a buy-low move after an up-and-down career with the Los Angeles Angels. Canning led the AL in earned runs allowed last season but had looked like a different pitcher with the Mets.

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Canning finishes his 2025 season with a 3.77 ERA in 16 starts, with significant bumps in both strikeout rate and ground ball rate compared to last year. He's part of a Mets rotation that has surprised and leads MLB in ERA at 3.11.

Injuries haven't been kind to that rotation, however. Before Canning's injury, Kodai Senga and Tylor Megill both hit the 15-day IL earlier this month, Senga due to a hamstring strain and Megill due to an elbow sprain.

Expected reinforcement Sean Manaea has also been delayed after he felt elbow discomfort during a rehab assignment. The one piece of recent good news has been the return of Frankie Montas, who threw five scoreless innings in his season debut Tuesday after missing the start of the season due to a lat strain.