Knizner was placed on the IL on July 5 after injuring his right groin against the Miami Marlins.
St. Louis carried three catchers for Sunday’s series finale against Washington, with Knizner joining Willson Contreras and Iván Herrera.
Baker was 1-for-6 in three games following his July 3 recall.
Naile was the Cardinals’ 27th player in Saturday’s doubleheader.
ESPN No. 7 prospect Thomas goes to Overtime Elite
Oilers’ Leon Draisaitl not suspended for hit on Aleksander Barkov
Sources: Luka Doncic had pain-killing shot before Game 2
Mavs’ Kyrie Irving tells Luka Doncic: ‘I got to play better’
Kristaps Porzingis has ‘rare’ leg injury; NBA Finals status uncertain
Mets reinstate Francisco Alvarez ahead of homestand vs. Marlins
Phillies’ J.T. Realmuto to have knee surgery, placed on IL
Fantasy baseball pitcher rankings, lineup advice for Wednesday’s MLB games