POSTERIOR · WIRE
RosterSTLAug 29, 2026, 7:19 PM EDTSignal confidence 90%

Cardinals Recall Brycen Mautz, DFA Caleb Ferguson

St. Louis recalled RHP Brycen Mautz from Triple-A Memphis and designated LHP Caleb Ferguson for assignment, per the club.

Posterior generated visual for St. Louis Cardinals: Cardinals Recall Brycen Mautz, DFA Caleb Ferguson

The Cardinals made a bullpen swap, recalling right-hander Brycen Mautz from Triple-A Memphis and designating left-hander Caleb Ferguson for assignment, the club announced.

Mautz made an immediate impression in his return, striking out 8 batters across 3 relief innings, per Joe Harris of MLB.com — a performance that made the roster math look fairly straightforward in hindsight.

Ferguson's post-deadline run

Ferguson had been acquired from Cincinnati at the trade deadline, but the results in St. Louis were difficult: an 8.64 ERA in 8.1 innings pitched since joining the organization, per prior Posterior Wire reporting. The designation follows that stretch without a grace period.

A bullpen in motion

The Ferguson move is the latest in a stretch of Cardinals roster activity. Cade Winquest made his MLB debut for St. Louis, recording two strikeouts in his first Major League inning. The club has also been navigating the loss of Blaze Jordan, who suffered a left ankle sprain and is expected to miss several weeks — likely ending his 2026 rookie season — with Thomas Saggese reinstated to fill the vacancy at third base.

What remains unresolved is Ferguson's next destination and whether Mautz holds a roster spot beyond the immediate term.

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Cardinals Recall Brycen Mautz, DFA Caleb Ferguson · Posterior