Matz (shoulder) has yet to throw off of a mound, John Denton of MLB.com reports.

EDGE Analysis

Matz was expected to throw side sessions Thursday and Sunday, but it appears those plans are now on hold after his setback. It was already determined the left-hander would need a rehab appearance, but he'll need to build back up a bit and begin a throwing program before that can happen. As such, Matz shouldn't be expected back until late June at the earliest.

Matz (shoulder) will require at least one rehab appearance prior to rejoining the Cardinals' rotation, Jeff Jones of the Belleville News-Democrat reports.

EDGE Analysis

Matz is scheduled to throw side sessions Thursday and Sunday, but he'll be forced to miss at least one more turn through the rotation since he'll make an appearance with a minor-league affiliate. The Cardinals haven't yet revealed who will step in as a starter next week, but manager Oliver Marmol listed Andre Pallante, Zack Thompson, Johan Oviedo, Packy Naughton and Jake Woodford as candidates for a spot start.

Matz (shoulder) will throw side sessions Thursday and Sunday, at which point the Cardinals will determine his next steps, Jeff Jones of the Belleville News-Democrat reports.

EDGE Analysis

Matz will be eligible to return from the injured list June 7. It's possible he'll be able to return then or soon after if he demonstrates in his side sessions that he doesn't need a rehab assignment.

Matz (shoulder) received a cortisone shot in his left shoulder Friday and played catch Sunday, John Denton of MLB.com reports.

EDGE Analysis

How Matz responds to this latest round of treatment and the resumption of activity will likely determine how much longer he's sidelined. He's not eligible to return from the 15-day injured list until June 7. It's unclear if he'll need to make a rehab start prior to rejoining the Cardinals' rotation.

The MRI that Matz underwent Sunday revealed nothing overly concerning, though the Cardinals still elected to place him on the 15-day injured list Monday after he was diagnosed with a left shoulder impingement, Jeff Jones of the Belleville News-Democrat reports.

EDGE Analysis

President of baseball operations John Mozeliak wasn't willing to commit to Matz returning from the IL after a minimum stint, as the Cardinals first want to see how the southpaw responds to a few days of rest before a determination is made on the next course of action. Mozeliak acknowledged that he was hopeful Matz will be able to pitch "through the season," which suggests the Cardinals aren't fearing a long-term absence for the 30-year-old, who has turned in a 6.03 ERA and 1.39 WHIP through his first nine starts with St. Louis. Matthew Liberatore is in line to replace Matz in the rotation beginning with Saturday's game against Milwaukee.

Matz was placed on the 15-day injured list Monday with a left shoulder impingement.

EDGE Analysis

Matz left his start Sunday against the Pirates after throwing just four pitches due to what was originally called shoulder stiffness. He underwent an MRI later in the day, though for now the injury isn't being referred to as anything worse than an impingement. He'll be eligible to return June 7, but it's not yet clear when the Cardinals expect him back. Matthew Liberatore was recalled to take his place in the rotation.

Cardinals manager Oliver Marmol said after Sunday's 18-4 win over the Pirates that Matz (shoulder) will undergo an MRI later in the day, John Denton of MLB.com reports.

EDGE Analysis

Though St. Louis ran away with a comfortable victory in the series finale, Matz couldn't work long enough to qualify for the win, as he tossed just four pitches before exiting with what the Cardinals labeled as a stiff left shoulder. The MRI should provide more information on the severity of Matz's injury while potentially determining whether or not he'll require a trip to the injured list. If Matz is shut down with the injury, Angel Rondon -- who struck out four over five scoreless innings of long relief to grab the win Sunday -- could get the nod the next time the Cardinals require a fifth starter May 30. Prospect Matthew Liberatore is also an option to receive a call-up from Triple-A Memphis to replace Matz in the rotation, if necessary.

The Cardinals announced that Matz was removed from his start Sunday against the Pirates in the first inning due to left shoulder stiffness, Jim Hayes of Bally Sports Midwest reports.

EDGE Analysis

When he exited after throwing just four pitches, Matz looked to be grabbing at his midsection, which suggested a hip injury was in play. Instead, a shoulder issue was at the root of Matz's early departure, which makes sense given that he saw a steep drop in his velocity on his final pitch. Angel Rondon was summoned out of the bullpen to work in long relief, but the Cardinals could recall Matthew Liberatore from Triple-A Memphis if Matz is forced to go on the injured list. The Cardinals have an off day coming up Wednesday, which would allow the team to get by with a four-man rotation until May 30.

Matz was removed from his start Sunday against the Pirates in the first inning due to an apparent hip injury, John Denton of MLB.com reports.

EDGE Analysis

Matz threw just four pitches before he departed after he appeared to hurt his midsection while facing his first batter of the day, Ke'Bryan Hayes. Angel Rondon came out of the bullpen to strike out Hayes and will now be on tap for a long-relief outing on the heels of Matz's early departure. The Cardinals will likely evaluate Matz over the next day or two before determining if he's fit to make his next start. St. Louis has an off day coming up Wednesday, so the team would be able to get by with a four-man rotation until May 30, if necessary.

Matz allowed two runs on three hits and zero walks over five innings during Game 2 of Tuesday's doubleheader against the Mets. He had seven strikeouts and didn't factor in the decision.

EDGE Analysis

The veteran left-hander surrendered a pair of solo homers but otherwise kept New York off the board, but he missed out on the victory since the St. Louis bullpen was unable to maintain a one-run advantage. Matz has a 3.86 ERA and 14:0 K:BB covering 11.2 innings over his past two starts, though he's also allowed four long balls.