Cardinals notebook: Knizner leaves game due to concussion concern; Sosa’s ankle soreness subsides

Derrick Goold

NEW YORK — Unable to continue after taking a second foul ball off the facemask in the game, catcher Andrew Knizner remained under observation and in concussion protocols Thursday evening, though he did travel with the team to Pittsburgh.

Knizner took a foul ball off his mask in the fourth inning, prompting the Cardinals’ trainer to run him through a series of questions and examination on the field. He remained in the game but when he sustained a second blow to the mask from a baseball, the Cardinals replaced him by the sixth inning with veteran Yadier Molina.

The Cardinals will review Knizner on Friday morning to determine if a roster move will be necessary for a backup catcher.

After a 7-6 loss to the Mets in extra innings, the Cardinals left New York with two injury concerns, Knizner, and shortstop Edmundo Sosa, and one injury-related absence after the four-game series. Tyler O’Neill (right shoulder impingement) was placed on the 10-day injured list after the game Thursday. Sosa jammed his left ankle into second base while attempting to steal Wednesday, but had a significant reduction in swelling, tenderness, and pain. He was able to put weight on the ankle but did not test it with a quick, propulsive movement.

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Manager Oliver Marmol said that Sosa would only have been used in emergency Thursday. They expect him to be available for full speed Friday.

“Feels good.…

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