"He'll go through a battery of tests this week to quantify where he is," said Mozeliak. "Based on that information, we'll determine the next step. He's getting stronger. We're optimistic that we're going in the right direction."
Carpenter did not pitch in Spring Training. He went 11-9 last season with a 3.45 ERA in a NL-leading 34 starts. Carpenter was 2-0 with a 2.84 ERA in three World Series starts.
"He's an extremely hard worker and focused on getting back as soon as possible," Mozeliak said. "Anyone that has been around Chris Carpenter understands how competitive he is, and how special of a guy he is. Hopefully he's back sooner rather than later."