The team said in a release the operation to fix a detached latissimus dorsi muscle in his right posterior shoulder "could not have gone any better."
"We were very pleased with the results and are hopeful that Jake will be ready by the start of spring training 2011," the statement said.
Peavy, who was the 2007 National League Cy Young Award winner with San Diego, was 7-6 with a 4.63 earned run average in 17 starts this year.
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