St. Louis Cardinals on X: His name is Andrew Knizner and he just crushed a clutch home run! 👌 / X

St. Louis Cardinals on X: Andrew Knizner is making his @MLB debut! / X

St. Louis Cardinals' Andrew Knizner celebrates in the dugout after scoring on Paul Goldschmidt's single off Chicago Cubs starting pitcher Marcus Stroman during the fourth inning of a baseball game Thursday, Aug.

St. Louis Cardinals' Andrew Knizner celebrates in the dugout after scoring on Paul Goldschmidt's single off Chicago Cubs starting pitcher Marcus Stroman during the fourth inning of a baseball game Thursday, Aug.

St. Louis Cardinals' Andrew Knizner celebrates in the dugout after scoring on Paul Goldschmidt's single off Chicago Cubs starting pitcher Marcus Stroman during the fourth inning of a baseball game Thursday, Aug.

Cardinals walk it off in 11th inning in Game 2

Cardinals walk it off in 11th inning in Game 2

St. Louis Cardinals on X: His name is Andrew Knizner and he just crushed a clutch home run! 👌 / X

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Cardinals walk it off in 11th inning in Game 2

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Cardinals walk it off in 11th inning in Game 2