The Cardinals will decline Middleton's (forearm) $6 million club option for 2025, Derrick Goold of the St. Louis Post-Dispatch reports.

The Cardinals transferred Middleton (forearm) to the 60-day injured list Saturday.

Middleton (forearm) will undergo surgery next week to repair his right flexor tendon and will miss the rest of the season, Derrick Goold of the St. Louis Post-Dispatch reports.

Middleton (forearm) will get a second opinion from a specialist Monday, John Denton of MLB.com reports.

Middleton (forearm) will undergo an MRI on Friday and could require season-ending surgery on his pitching arm, John Denton of MLB.com reports.

Middleton (forearm) is getting imaging done and will be checked out by team doctors Tuesday, John Denton of MLB.com reports.

Middleton (forearm) reported soreness Friday after pitching in back-to-back games at Double-A Springfield, Jeff Jones of the Belleville News-Democrat reports.

Middleton (forearm) will be evaluated for potential activation from the injured list following back-to-back rehab appearances with Double-A Springfield on Wednesday and Thursday, Jeff Jones of the Belleville News-Democrat reports.

Middleton (forearm) will begin a rehab assignment with Double-A Springfield on Tuesday, Daniel Guerrero of the St. Louis Post-Dispatch reports.

Middleton (forearm) through off the mound again Friday and is set for a rehab assignment next week, John Denton of MLB.com reports.