Christopher Edwin Duncan
- Bats Left, Throws Right
- Height 6' 5", Weight 210 lb.
- High School Canyon del Oro High School
- Debut September 10, 2005
- Final Game July 20, 2009
- Born May 5, 1981 in Tucson, AZ USA
Duncan set a team record for the Cardinals for home runs by a left-handed rookie: 22 (2006)
Duncan retired in 2011 after battling neck and arm injuries for several seasons. Late in 2011, he became a talk radio host in St. Louis, where he'd had his outstanding rookie season.
In 2012, Duncan was diagnosed with glioblastoma, a form of cancer that manifested in a brain tumor. He returned to the mic in January 2013, after undergoing surgery and treatment to recover speech functions.