Cardinals Activated Jose Martinez From The Injured List, Recalled Andrew Knizner, Rangel Ravelo, Genesis Cabrera, Junior Fernandez, & Daniel Ponce De Leon From Triple-A Memphis, Purchased The Contracts Of Mike Mayers & Joe Hudson From Memphis, & Transferred Lane Thomas From Ten-Day To 60-Day Injured List; Briaon O'Keefe Promoted From Double-A Springfield To Memphis; Michael Baird & Kyle Leahy Promoted Were From A-Advanced Palm Beach To Springfield

The St. Louis Cardinals announced today that they have added eight players to their active roster, as Major League Baseball rules allow for the September 1 expansion of active rosters to 40.
St. Louis Official Site

September 1 has brought expanded rosters and a fresh cast of characters to the Cardinals for the stretch run.
KMOV

The calendar couldn’t turn to September at a better time for the Cardinals, who are in the midst of back-to-back doubleheaders and play an afternoon game Monday.
St. Louis Official Site

MiLB Official Site