Looks like they added legmitacy to their coaching legacy poll by slipping Carlisle (plus Vanderbilt and Minnesota) in there. Someobody has the April 2007 issue of Sports Illustrated.
"The April 23, 2007, issue of Sports Illustrated included an excerpt from a new book about the Carlisle Indians, by Sally Jenkins, characterizing them as "The Team that Invented Football," due to the innovations introduced by Warner, which turned the team into a national football power and opened up the game's offensive strategy significantly."