Darwin Jamar Walker (born June 15, 1977) is an American football defensive tackle in National Football League who is currently a free agent. He was originally drafted by the Arizona Cardinals in the third round of the 2000 NFL Draft. He played college football at Tennessee. Walker has also been a member of the Philadelphia Eagles, Buffalo Bills and Chicago Bears. He now works for Fox 29 in Philadelphia as a pre and post game analyst for the Philadelphia Eagles.