Mozeliak says Joe Kelly could be out until June due to lack of progress with hamstring injury.
MLB.com "The Cardinals made a wave of transactions Thursday that will reshape their pitching staff while right-hander Joe Kelly is sidelined with a strained left hamstring. St. Louis placed Kelly on the 15-day disabled list and optioned right-handed reliever Keith Butler to Triple-A Memphis, and rookie..." April 17
Cards Joe Kelly is coming out of game. Appears to have suffered some kind of leg injury trying to beat out that bunt.
St. Louis Post-Dispatch "The Cardinals have won eight games (out of 23) since July 25. Joe Kelly has won three and started another Cardinals victory in that streak. Yadier Molina has caught two games since coming of the disabled after suffering a right knee sprain. The Cardinals have won both. You may draw your own..." August 18
Cardinals continue pursuit of Jake Peavy and Alexei Ramirez with Carlos Martinez Joe Kelly and Kolton Wong's names being mentioned #RUMORS
St. Louis Post-Dispatch "The Cardinals have not yet determined when they will use a fifth starter in the coming weeks, but they know who will be added to the rotation when they do. Joe Kelly, who held the Cardinals in Friday’s game with five shutout innings of emergency relief, will get the next open start once the..." June 23
St. Louis Post-Dispatch "There was a time Joe Kelly recalls when he wanted to dazzle the radar gun. During a pre-draft workout with the Arizona Diamondbacks, the lithe college closer didn’t trouble himself with such trivial things as mechanics and control in order to show how much heat he had in his right arm. He hit..." April 25
St. Louis Post-Dispatch "A cursory examination of Tuesday’s statistics would indicate that Shelby Miller has drawn clear of Joe Kelly for the remaining spot in the Cardinals’ rotation. As the Cardinals beat the Miami Marlins and Westminster Christian Academy product Jacob Turner 5-4, Miller allowed just a leadoff..." March 20