Dmitrij Jaskin, Magnus Paajarvi, and Peter Harrold will each be scratched from Friday's match with Florida.
Jaden Schwartz will make his long awaited return to the Blues' lineup Friday night against the Panthers.
Brian Elliott is projected to play between the pipes on Friday.
Jake Allen (knee) has been joining the Blues towards the end of their practice for several days now.
St. Louis wants Colton Parayko to shoot more often.
Jori Lehtera is projected to play between Vladimir Tarasenko and Jaden Schwartz on Friday night.
Peter Harrold has been called up by St. Louis.
Jaden Schwartz was reunited with Vladimir Tarasenko and Jori Lehtera at Wednesday's practice.
Jaden Schwartz (ankle) has been activated from injured reserve.
Brian Elliott allowed one goal on 33 shots in Tuesday's 2-1 shootout loss to the Winnipeg Jets.
Colton Parayko scored a goal in Tuesday's 2-1 shootout loss to the Winnipeg Jets.
Robert Bortuzzo will pair with Joel Edmundson against the Jets on Tuesday night.
Dmitrij Jaskin will be scratched against Winnipeg on Tuesday night.
Brian Elliott will face Winnipeg on Tuesday night.
Ryan Reaves will get back into the lineup on Tuesday versus Winnipeg.