Career
He started his professional career with Adler Mannheim and signed with the Medicine Hat Tigers of the Western Hockey League before the 2003-2004 season. After one year he returned to Germany and signed with Kölner Haie. One year later he signed with European Research Council Ingolstadt, where he spent the next four seasons before returning to Mannheim.
On April 29, 2013, Seidenberg signed a two-year deal with DEL rival EHC München.