Bruce Zimmermann Clears Waivers, Returns to Memphis

Bruce Zimmermann Clears Waivers, Returns to Memphis

The Cardinal Chronicle
St. Louis, MO
By Ray Mileur

Bruce Zimmermann’s brief stay on the St. Louis Cardinals’ major-league roster ended almost as quickly as it began, but his time in the organization is not over.

The Cardinals have sent the left-hander outright to Triple-A Memphis after he cleared waivers, keeping him in the system as veteran pitching depth following a short stay on the active roster.

Zimmermann was selected from Memphis on July 7, gave the Cardinals five innings in a spot appearance against the Milwaukee Brewers, and was designated for assignment later that day as St. Louis continued to manage a crowded and fluid pitching situation.

That kind of move is not unusual in July.

What is a little surprising is that Zimmermann made it through waivers.

Experienced left-handed pitching is not easy to find, and with clubs constantly looking for innings, spot-start options and Triple-A depth, there was at least a reasonable chance another organization could have taken a look. Instead, Zimmermann cleared and now returns to Memphis, where he gives the Cardinals another usable arm one phone call away.

For St. Louis, that matters.

Zimmermann is not being counted on as a centerpiece. He is not a prospect. He is not a long-term rotation answer. But there is value in having a veteran left-hander who can cover innings, start if needed, work in bulk relief and give the major-league club emergency protection.

Every organization needs those pitchers.

The Cardinals have already been reminded several times this season how quickly pitching depth can be tested. Injuries, doubleheaders, short starts, bullpen fatigue and roster churn can turn a Triple-A depth arm into a necessary major-league option overnight. Zimmermann’s ability to provide length gives him practical value even if his ceiling is limited.

His 2026 season with the Cardinals followed a familiar depth-pitcher path. He opened the year in the organization, worked at Memphis, was selected when the major-league club needed coverage, then was removed from the 40-man roster once the immediate need passed.

That is the business side of baseball.

It is not glamorous. It is not always fair. But it is how teams manage the margins of a roster.

Zimmermann also has recent experience with this exact kind of transaction cycle. In 2025, he spent time in the Milwaukee Brewers organization, was selected to the major-league roster in September, made a spot appearance, was designated for assignment, cleared waivers and was outrighted back to Triple-A Nashville before eventually electing free agency.

Now, in 2026, the same basic pattern has played out with St. Louis — with one important difference: the Cardinals still retain him.

That gives Memphis a veteran arm and gives the major-league staff a familiar fallback option if the need arises again.

The Cardinals’ pitching picture remains unsettled enough that this kind of depth should not be dismissed. The trade deadline is approaching. The club has decisions to make on veterans, relievers and possible additions. Injuries can change plans quickly. Young arms can be promoted. Other pitchers can be optioned. The bullpen can be taxed on any given night.

In that environment, a pitcher like Zimmermann has a role.

Not every move has to reshape the franchise. Some moves simply keep the machine running.

Zimmermann’s value is in his ability to absorb innings and remain available. That is especially useful for a Memphis club that has already served as a staging ground for several Cardinals roster moves this season. The Redbirds are not just a development stop; they are also the emergency room for the major-league pitching staff.

If St. Louis needs another left-hander, another bulk arm or another pitcher capable of giving length, Zimmermann is still in the building.

That is the takeaway.

The Cardinals took their shot, used Zimmermann for immediate coverage, exposed him to waivers, and still managed to keep him. For a club trying to balance short-term competitiveness with long-term roster flexibility, that is a small but useful win.

Zimmermann may not be the headline name.

But in a long season, depth arms have a way of mattering.

And for now, the Cardinals still have one.

The Cardinal Chronicle, in association with Gateway Sports & MiLB Today
Preserving the Past, Promoting the Present, and Projecting the Future.

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Photo Credit: Bruce Zimmermann, St. Louis Cardinals | MLB