The St. Louis Cardinals subtracted from their already weak starting rotation when they dealt Sonny Gray to the Boston Red Sox, but they received some potential replacement innings in return. Even if Richard Fitts can slot right into the rotation on Opening Day, there are plenty of other question marks within the starting five.
Free agent Tyler Mahle could fit right into the Cardinals' starting rotation.
The Cardinals are not looking to be heavy spenders this offseason and appear to have a few arms waiting for their chance in the minor leagues, so the 2026 season offers an opportunity for pitchers looking to rebuild their value.