Cardinals Place JJ Wetherholt on 10-Day Injured List With Right Wrist Tendinitis

The St. Louis Cardinals have placed infielder JJ Wetherholt on the 10-day injured list with right wrist tendinitis, according to a team announcement reported by MLB Trade Rumors on August 30. The move sets a minimum timeline of ten days, though the club could adjust based on how Wetherholt’s wrist responds to treatment and rehab.

Wetherholt, an infielder whose profile has included Rookie of the Year consideration, now misses time at a point of the season when everyday availability matters most. Wrist tendinitis can be limiting for hitters and fielders, affecting grip, bat control, and the ability to take clean exchanges in the infield. Even if the injury is not expected to be season-ending, the Cardinals will need to manage his reps and timing as he works back.

In a corresponding move, the Cardinals recalled infielder Cesar Prieto from Triple-A Memphis. That transaction is a straightforward roster mechanism: when a player lands on the injured list, MLB clubs typically need an active spot to maintain lineup flexibility, especially for teams that rotate at-bats across multiple infield positions and bench roles.

For St. Louis, the practical impact is about infield depth and the day-to-day availability of players at multiple spots. When a starting-level contributor goes on the IL, it can force manager decisions on whether to reconfigure the usual infield alignment, use a recalled player in specific matchup situations, or lean on other bench options. Prieto’s recall indicates that the organization is prepared to fill the immediate gap rather than waiting for a later activation window.

Wetherholt’s IL placement also adds uncertainty to the Cardinals’ mid-August and early September rhythm. Even minor injuries can influence cadence, since teams often want to see a player’s comfort level before returning him to full defensive responsibilities and a normal hitting routine. The Cardinals will likely evaluate his progress through medical updates and on-field work rather than setting a firm return date beyond the injured list minimum.

What to watch next is how Prieto is deployed once he joins the active roster, including whether the Cardinals use him in a utility capacity or at a more defined infield role. Also key is the timing of any subsequent injury updates on Wetherholt’s wrist, since tendinitis can linger if rest and workload management are not handled carefully. With only limited time on the IL floor, St. Louis will be looking for a smooth path from treatment to baseball activity, then back into games.