Cooper Hjerpe: Everything you need to know

Hjerpe (elbow) will begin a rehab assignment at the Cardinals' Florida Complex League affiliate Friday. It will be Hjerpe's first game action since he underwent Tommy John surgery last April. The left-hander will knock off some rust in the FCL before eventually moving up either to Double-A Springfield or Triple-A Memphis. Hjerpe is on the Cardinals' 40-man roster and could push to debut at some point in the second half. The 2022 first-round pick collected a 3.27 ERA, 1.13 WHIP and 76:28 K:BB in 52.1 innings at Springfield in 2024.

The Cardinals optioned Hjerpe (elbow) to Triple-A Memphis on Monday. Hjerpe just recent resumed throwing from the mound following last April's Tommy John surgery. A former first-round pick, Hjerpe is aiming to make his season debut around midseason.

Hjerpe (elbow) threw a bullpen session Tuesday, Daniel Guerrero of the St. Louis Post-Dispatch reports. It's the first time he's thrown from the mound since last April's Tommy John surgery. Hjerpe is aiming to make his season debut around mid-July. The left-hander collected a 3.27 ERA, 1.13 WHIP and 76:28 K:BB in 52.1 innings at Double-A Springfield in 2024.