The Cardinals recalled two pitchers from Triple-A Memphis, the team announced on Saturday.
St. Louis promoted RHP Sam Tuivailala and LHP Nick Greenwood prior to Saturday's game.
Tuivailala was 2-0 with 12 saves and a 1.78 ERA with Memphis. He was 0-1, 6.00 in three games in a previous stint with the Cardinals earlier this year.
Greenwood was 7-3, 5.42 in 12 starts and 10 relief appearances with Memphis. He last appeared with the Cardinals at the end of last season.