The voice of the Cardinals is recovering from a major operation.
The team confirms that Mike Shannon had heart surgery on Monday. Shannon is recovering well. The procedure was to replace an aortic valve.
Shannon says he plans on returning to the broadcasting booth on September 23. In the interim, Al Hrabosky, Rick Horton, and Mike Claiborne will join John Rooney on air. Shannon has been the Voice of the Cardinals since 1972.