An emerging opportunity could allow the Cardinals to trade an All-Star to the Mariners amid Seattle’s growing roster urgency.

The Cardinals are looking for top prospects in a Brendan Donovan deal and the Mariners and Giants are competing for the All-Star's services.

Trading Nolan Arenado, and quite possibly Willson Contreras, are foremost on the minds of the St. Louis front office.

A Nolan Arenado trade might force the Cardinals to pursue creative options. We break down the challenges and what St. Louis could do to make it work.

“The Seattle Mariners and San Francisco Giants have emerged as front-runners for St. Louis Cardinals infielder Brendan Donovan, sources familiar with negotiations tell The Athletic, with the Cardinals looking to land multiple top prospects in a return,” Woo wrote on Saturday.

May, who made 23 starts in 2025 between the Los Angeles Dodgers and Boston Red Sox, should slot in at the top of the Cardinals’ rotation.

The St. Louis Cardinals are headed for a big rebuild this offseason and they've already taken the first step toward doing so. They traded Sonny Gray to the Bost

The Arizona Cardinals have had a dreadful 2025 season, and as a result, could decide to shake up the roster in a big way this offseason.