0:24
Cooper Hjerpe strikes out the side
April 19, 2024
0:42
Cooper Hjerpe throws six no-hit frames and Ks five
May 24, 2023
1:05
Cooper Hjerpe fans seven in 5 2/3 scoreless innings
May 3, 2023
0:23
No. 7 Cardinals prospect Cooper Hjerpe nabs first K
April 8, 2023