The St. Louis Cardinals selected the contract of right-hander Andre Granillo and recalled outfielder Michael Siani from Triple-A Memphis on Thursday.
In corresponding moves, right-hander Chris Roycroft was optioned and outfielder Ryan Vilade was designated for assignment.
Granillo, 25, is set to make his major league debut after he went 4-0 with a 1.82 ERA in 18 relief appearances at Memphis, holding opponents to a .159 batting average.
Siani, 25, was 4-for-16 (.250) in 18 games for the Cardinals earlier this season and is a career .222 hitter with two home runs and 20 RBIs in parts of four seasons with the Cincinnati Reds (2022-23) and Cardinals.
Roycroft, 27, was 1-3 with a 6.92 ERA in 14 relief appearances for the Cardinals this season, while Vilade, 26, was 1-for-13 (.077) in seven games.