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Kurt Warner said he believes there is ligament damage in his left (non-throwing) elbow but that it is not serious enough to knock him out for a substantial amount of time.

AP Photo/Matt YorkKurt Warner believes he damaged ligaments in his non-throwing elbow on this play.

The Cardinals quarterback said he is hoping doctors can put a brace on it and he can play through it. Warner, who was scheduled to undergo an MRI on Monday, said he will probably miss a week.

"We'll see the extent of it and see what we can do as far as getting me back as soon as possible," he said.

Warner made his first start Sunday in place of Matt Leinart, who is out for the season with a broken collarbone.

Warner got hurt on a sack by Carolina defensive end Julius Peppers midway through the first quarter. Warner fumbled on the play, and Peppers recovered.

"I was really just trying to recover the football,'' Warner said. "As I reached out for the football, whoever it was put full force on my arm and just hurt the ligaments in there."

Warner went 2-of-2 for 21 yards.

Tim Rattay, signed last week as Arizona's only backup, replaced Warner. He completed 12-of-24 passes for 159 yards and no touchdowns, and he threw three interceptions.

Information from ESPN.com's John Clayton and The Associated Press was used in this report.