Douglas Walter Plank (born March 4, 1953 in Greensburg, Pennsylvania) is a former American football safety in the NFL. He spent his entire eight year career with the Chicago Bears. He attended Ohio State University, and Norwin School District in North Huntingdon, PA. He was named the head coach of the Georgia Force of the Arena Football League in 2005 and 2007, following a tenure as the defensive coordinator for the Arizona Rattlers under Danny White. Wikipedia
The definitive Wikipedia entry for Doug Plank. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Doug_Plank