The Cardinals added Svanson to the 40-man roster Tuesday.
The Cardinals selected Koperniak's contract from Triple-A Memphis on Tuesday.
The Cardinals selected Roby's contract from Double-A Springfield on Tuesday.
Rom (shoulder) cleared waivers and was outrighted to Triple-A Memphis on Tuesday.
The Cardinals selected Hence's contract from Double-A Springfield on Tuesday.
Barrero signed a minor-league contract with the Cardinals on Saturday and received an invitation to spring training, Francys Romero of BeisbolFR.com reports.
The Cardinals are not mulling a move to the rotation for Helsley, Derrick Goold of the St. Louis Post-Dispatch reports.
The Cardinals are expected to gauge trade interest in Arenado this month, Derrick Goold of the St. Louis Post-Dispatch reports.
Cardinals president of baseball operations John Mozeliak said Wednesday that Pages and Ivan Herrera will split catching duties next season, Katie Woo of The Athletic reports.
Cardinals president of baseball operations John Mozeliak said Wednesday that Herrera and Pedro Pages will share playing time at catcher next season, Katie Woo of The Athletic reports.
The Cardinals plan to move Contreras to first base next season, Jesse Rogers of ESPN.com reports.
The Cardinals signed Gomez to a minor-league contract with an invitation to spring training Wednesday, Katie Woo of The Athletic reports.
The Cardinals re-signed Naughton (elbow) to a two-year, minor-league contract Monday, Jeff Jones of the Belleville News-Democrat reports.
The Cardinals claimed Munoz off waivers from the Marlins on Friday.
Romero (forearm) is slated to begin a throwing program next week, Jeff Jones of the Belleville News-Democrat reports.
Gray is on track have a normal offseason after finishing the regular season on the 15-day injured list with right forearm flexor tendinitis, Jeff Jones of the Belleville News-Democrat reports.
Winn underwent surgery following the conclusion of the season to have a cyst removed from his hand, Jeff Jones of the Belleville News-Democrat reports.
Burleson went 2-for-4 with a walk and three RBI in Sunday's 6-1 win over the Giants.
Donovan went 2-for-3 with a home run, two RBI and two walks in Sunday's win over the Giants.
McGreevy (3-0) allowed a run on five hits over eight innings Sunday, striking out six and earning a win over the Giants.
Arenado is not in Sunday's lineup against the Giants.
Winn is not in Sunday's lineup against the Giants.
Pallante allowed four runs (three earned) on seven hits while striking out four batters over five innings in a no-decision against the Giants on Saturday.
Arenado isn't in the Cardinals' lineup for Saturday's game against the Giants, John Denton of MLB.com reports.
The Cardinals optioned Scott to Triple-A Memphis on Friday.